ControlLogix Remote I/O Communication Module User Manual Scanner Mode 1756 Um534 En P

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User Manual
ControlLogix Remote I/O Communication Module
Catalog Number
1756-RIO
Important User Information
Solid-state equipment has operational characteristics differing from those of electromechanical equipment. Safety
Guidelines for the Application, Installation and Maintenance of Solid State Controls (publication SGI-1.1 available from
your local Rockwell Automation sales office or online at http://www.rockwellautomation.com/literature/) describes some
important differences between solid-state equipment and hard-wired electromechanical devices. Because of this difference,
and also because of the wide variety of uses for solid-state equipment, all persons responsible for applying this equipment
must satisfy themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from
the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and
requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or
liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or
software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation,
Inc., is prohibited.
Throughout this manual, when necessary, we use notes to make you aware of safety considerations.
Allen-Bradley, Rockwell Software, Rockwell Automation, RSLogix 5000, ControlLogix, ProcessLogix, RSLinx, ControlFlash, PLC-5, PLC-3, SLC, and TechConnect are trademarks of Rockwell Automation, Inc.
Trademarks not belonging to Rockwell Automation are property of their respective companies.
WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous
environment, which may lead to personal injury or death, property damage, or economic loss.
ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death,
property damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the
consequence
SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that
dangerous voltage may be present.
BURN HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that
surfaces may reach dangerous temperatures.
IMPORTANT
Identifies information that is critical for successful application and understanding of the product.
Publication 1756-UM534B-EN-P - November 2010 3
Summary of Changes
This manual contains new and updated information. This manual includes the
addition of the 1756-RIO/B module. Changes throughout this revision are
marked by change bars, as shown to the right of this paragraph.
New and Updated
Information
This table contains the changes made to this revision.
Topic Page
1756-RIO module front diagram 13
44Publication 1756-UM534B-EN-P - November 2010
Summary of Changes
Notes:
5Publication 1756-UM534B-EN-P - November 2010 5
Table of Contents
Preface
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Who Should Use This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Information Found in This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chapter 1
The 1756-RIO Module-Getting
Started
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1756-RIO Module Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1756-RIO Module Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
The 1756-RIO Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Prepare the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Install the Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Install the Add-on Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Create the RSLogix 5000 Project. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Configure the Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Add the 1756-RIO Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Enter the RPI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Set Communication Path and Download to the Controller in the
RSLogix 5000 Project. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Launch the Configuration Tool and Select the Module Mode . . . . . . 30
Launch the 1756-RIO Configuration Tool. . . . . . . . . . . . . . . . . . . 31
Chapter 2
Configure Scanner Mode
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Configure Scanner Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Set the Baud Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Autoconfigure Racks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Manually Configure Racks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Matching Configuration Tool Settings with Module Settings . . . . 44
Resize a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Delete a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Configure Block Transfer Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Map I/O Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Automatic Mapping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Manually Map Discrete (rack) Data . . . . . . . . . . . . . . . . . . . . . . . . 53
Manually Map Block Transfer Data . . . . . . . . . . . . . . . . . . . . . . . . 55
Re-Map Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Clear Mappings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Chapter 3
Configure Adapter Mode
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Configure Adapter Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Set the Baud Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Autoconfigure Racks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Perform the AutoConfiguration . . . . . . . . . . . . . . . . . . . . . . . . . . 65
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Table of Contents
Active Versus Monitored Racks on the Network . . . . . . . . . . . . . 67
Manually Configure Racks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Resizing Racks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Delete Racks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Configure Block-transfer Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Map I/O Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Automatic Mapping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Manually Map Discrete Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Re-Map Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Clear Mappings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Chapter 4
Link Module Configuration with
RSLogix 5000 Project
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Commission Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Aliases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Export Aliases in Scanner Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Export Aliases in Adapter Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Use Monitor Mode to Upgrade an Existing System to
a ControlLogix System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Manage Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Download and Upload Configurations. . . . . . . . . . . . . . . . . . . . . . 91
Save Configurations to Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Archive Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Chapter 5
Monitor Remote I/O
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Commission Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Scan Mode and Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Scan Remote I/O in Scanner Mode . . . . . . . . . . . . . . . . . . . . . . . . 99
Monitor Remote I/O in Adapter Mode . . . . . . . . . . . . . . . . . . . . 100
Monitor Discrete Inputs and Outputs . . . . . . . . . . . . . . . . . . . . . . . . 101
Monitor Discrete Inputs in Scanner Mode. . . . . . . . . . . . . . . . . . 101
Monitor Discrete Outputs in Scanner Mode . . . . . . . . . . . . . . . . 104
Monitor Discrete Inputs in Adapter Mode. . . . . . . . . . . . . . . . . . 106
Monitor Discrete Outputs in Adapter Mode . . . . . . . . . . . . . . . . 107
Monitor Discrete Active Inputs in Adapter Mode. . . . . . . . . . . . 108
Monitor Block Transfers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Monitor Block Transfers in Scanner Mode . . . . . . . . . . . . . . . . . 109
Monitor Block Transfers in Adapter Mode . . . . . . . . . . . . . . . . . 112
Export Scanner Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Other Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Monitor Diagnostic Counters in Scanner Mode . . . . . . . . . . . . . 117
Monitor Diagnostic Counters in Adapter Mode . . . . . . . . . . . . . 120
Module Scanner Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
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Table of Contents
Clear Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Fatal Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Appendix A
Scanner Mode I/O Map
Discrete Input Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Discrete Output Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Block Transfer Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Block Transfer Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Appendix B
Adapter Mode I/O Map
Discrete Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Discrete Input Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Discrete Output Data on Monitored or Active Racks. . . . . . . . . 144
Block Transfer Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Block Transfer Read Data on Monitored or Active Racks . . . . . 148
Block Transfer Write Data on Monitored or Active Racks. . . . . 150
Appendix C
Block Transfer Module Templates
Block Transfer Template Records . . . . . . . . . . . . . . . . . . . . . . . . 154
Block Transfer Lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Parameter Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Aliases. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Appendix D
Troubleshooting Display and
Status Indicators
Alphanumeric Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
RIO Status Indicator – Remote Devices Status . . . . . . . . . . . . . . 162
CLX Status Indicator – ControlBus Status. . . . . . . . . . . . . . . . . . 163
OK Status Indicator – Module Health . . . . . . . . . . . . . . . . . . . . 164
The Debug Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Fatal Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Watchdog and Jabber Inhibit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Updating the Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Appendix E
Quick Start
ControlLogix System Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Index
8Publication 1756-UM534B-EN-P - November 2010
Table of Contents
Notes:
9Publication 1756-UM534B-EN-P - November 2010 9
Preface
Introduction
This manual describes how to configure and troubleshoot your Logix Remote
I/O (RIO) Communication Module.
The 1756-RIO module:
• runs in a ControlLogix environment.
• allows upgrade from PLC-5, PLC-3, or SLC systems to a ControlLogix
system with a minimum of downtime and startup time.
• uses integer data.
• does not require MSG instructions. All data is scheduled.
• offloads block transfer execution to reduce processing burden on the
processor.
This publication explains how and why you would use a 1756-RIO module.
The module is used in two modes, scanner and adapter mode.
In scanner mode, the 1756-RIO module enables communication and data
transfer between a ControlLogix controller and devices on a Remote I/O
network. The module continuously scans adapters on the remote network. The
module transfers discrete and block transfer data.
In adapter mode, the module performs two functions simultaneously. First, it
emulates one or more racks of I/O to a scanner, exchanging data with that
scanner. Second, it monitors other remote I/O racks on the same Remote I/O
network.
It can be used to upgrade an existing PLC-5, PLC-3, or SLC system to a
ControlLogix system.
The advantages of using the 1756-RIO module to upgrade your system
include:
• allowing the user to leave the existing Remote I/O network in place,
alleviating the time and/or expense of replacing the I/O and field
wiring, or the process of testing out field wiring.
• allowing the new application to be tested before you switch over, so that
it works just like the old one.
• allowing you to switch back to the old application in minutes, should
you run into problems.
For installation information, see the Remote I/O (RIO) Module Installation
Instructions, publication 1756-IN610.
10 Publication 1756-UM534B-EN-P - November 2010
Preface
Who Should Use This
Manual
We assume you understand remote I/O (RIO) modules and the host
controller system (ControlLogix).
This manual is intended for individuals who use DHRIO, PLC-5, PLC-3, SLC,
or ControlLogix systems, such as:
• software engineers.
• control engineers.
• application engineers.
• instrumentation technicians.
Information Found in This
Manual
This manual is broken into five parts:
• General module information and features -
Chapter 1
and
Appendix D
• Scanner mode functionality -
Chapter 2
, and
Appendices A
and
C
• Adapter mode functionality -
Chapter 3
, and
Appendices B
and
C
• Linking module configuration with an RSLogix 5000 project -
Chapter 4
Monitoring remote I/O -
Chapter 5
Additional Resources
These documents contain additional information concerning related Rockwell
Automation products.
You can view or download publications at
http://literature.rockwellautomation.com. To order paper copies of technical
documentation, contact your local Rockwell Automation distributor or sales
representative.
Resource Description
Remote I/O (RIO) Module Installation
Instructions,
publication 1756-IN610
Provides details on how to install the 1756-
RIO module
Industrial Automation Wiring and Grounding
Guidelines, publication 1770-4.1 Provides general guidelines for installing a
Rockwell Automation industrial system
Product Certifications website,
http://ab.com Provides declarations of conformity,
certificates, and other certification details
11Publication 1756-UM534B-EN-P - November 2010 11
Chapter
1
The 1756-RIO Module-Getting Started
Introduction
This document is a user’s guide for the 1756-RIO module. The module lets
Rockwell Automation ControlLogix controllers communicate with remote I/
O over the backplane or over a remote network. This chapter describes the
ControlLogix 1756-RIO module and how it links a ControlLogix controller to
the Universal Remote I/O network.
This chapter also describes the module’s physical features, software
requirements, software and add-on profile installation instructions, and
RSLogix 5000 project setup.
The 1756-RIO module:
supports native RIO 16-bit words for data, control, and status bits.
acts as a scanner on a Remote I/O network.
acts as an adapter that exchanges data on a Remote I/O network.
supports discrete data and block transfer data in either mode.
supports up to 10 produced/consumed data connections (along the
backplane between the ControlLogix controller and the 1756-RIO
module) with 248 words of integer input and 248 words of integer
output for each connection.
uses produced/consumed connections using a 1756-RIO add-on profile
in RSLogix 5000 programming software.
supports requested packet intervals (RPIs) from 2…750 ms. All
connections use one set RPI.
maps all discrete and block transfer data into produced/consumed
connections.
monitors existing I/O in adapter mode (Monitor mode). It can report
all existing inputs and outputs, discrete and block transfer module data
to the ControlLogix controller.
Topic Page
1756-RIO Module Components 13
1756-RIO Module Requirements 15
Prepare the Module 16
Install the Software 19
Install the Add-on Profile 19
Create the RSLogix 5000 Project 22
Launch the Configuration Tool and Select the Module Mode 30
12 Publication 1756-UM534B-EN-P - November 2010
Chapter 1 The 1756-RIO Module-Getting Started
The following modules are supported by the 1756-RIO module.
Supported Modules
See Appendix C for additional information.
I/O Family Cat. No.
1746 SLC 1746-N14
1746-N18
1746-N04V
1746-NT4
1771 PLC-5 1771-DE 1771-NIV
1771-IFE-16CH (in single-ended 16
Channel configuration)
1771-NOC-noBTR
1771-IFE-8CH (in differential 8
Channel configuration)
1771-NOC
1771-IL-Alarms 1771-NOV-noBTR
1771-IL 1771-NOV
1771-IR 1771-NR
1771-IXE 1771-OFE-diag
1771-NIV-Alarms 1771-OFE
1794 FLEX 1794-IE4XOE2 1794-OE4
1794-IE8
Publication 1756-UM534B-EN-P - November 2010 13
The 1756-RIO Module-Getting Started Chapter 1
1756-RIO Module
Components
The 1756-RIO module components include a 4-character display, status
indicators, an RTB connection, and an inside-door label.
1756-RIO/B Module
1756-RIO/A Module
RIO CLX OK
1
2
44777
1
2
3
4
43161
Note that the 3-pin connector
has been changed.
43161A
44777A
1
2
3
4
14 Publication 1756-UM534B-EN-P - November 2010
Chapter 1 The 1756-RIO Module-Getting Started
Item Description
1 4-character scrolling display
2 Three status indicators
RIO indicates the status of the network
CLX indicates the status of the connection to the controller
OK indicates the module’s own internal state
3 3-pin connector (blue hose) that connects to the remote devices
This is also known as the removable terminal block (RTB).
4 Inside-door label with error codes
Publication 1756-UM534B-EN-P - November 2010 15
The 1756-RIO Module-Getting Started Chapter 1
1756-RIO Module
Requirements
The requirements for the module to operate include the installation of:
RSLogix 5000 programming software, version 17 or later, and the
associated controller firmware.
RSLinx software, version 2.54 or later, with an activation. Use RSLinx
Gateway or RSLinx Professional software. Do not use RSLinx Lite
software.
the 1756-RIO module add-on profile from the CD provided with the
module.
the 1756-RIO module installed in a 1756-ControlLogix chassis.
The 1756-RIO Modes
The 1756-RIO module can be used in various capacities depending on the
user’s needs. First, decide which mode you want the 1756-RIO module to use.
In most cases, the module is used in scanner mode to scan and control remote
I/O data on a network.
In adapter mode, the 1756-RIO module can perform two functions
simultaneously. First, the module can emulate one or more racks of I/O to a
scanner, exchanging data with that scanner (for example, a PLC-5, PLC-3, or
SLC). It can exchange data with the scanner as discrete data, or via block
transfers.
Second, the 1756-RIO module can act as a ‘shadow,’ referred to as Monitor
mode, to monitor racks on a remote network. The module listens to the
remote I/O and provides all inputs and outputs from the existing scanner to
the ControlLogix controller. Users can then run their converted logic against
those inputs, generate temporary outputs, and compare the existing outputs
with outputs generated by the new logic.
16 Publication 1756-UM534B-EN-P - November 2010
Chapter 1 The 1756-RIO Module-Getting Started
Prepare the Module
The following list summarizes the initial steps needed to prepare the 1756-
RIO module before setting up the remote network. These steps will be
discussed in detail in this chapter.
You can have only one scanner per RIO network. Remove any other scanners
on the RIO network before continuing. The RIO module ships in scanner
mode. You can adjust the instructions to fit the mode that matches your needs.
1. Install RSLinx software, version 2.54 or later, with an activation. Use
RSLinx Gateway or RSLinx Professional software. Do not use RSLinx
Lite software.
2. Install RSLogix 5000 programming software, version 17 or later, and the
associated controller firmware.
3. Install the 1756-RIO module in the 1756-ControlLogix chassis.
See publication 1756-IN610.
Install the 1756-RIO module’s add-on profile found on the installation
CD shipped with the module, or download it from
http://
support.rockwellautomation.com/controlflash/LogixProfiler.asp
.
RSLinx software and RSLogix 5000 programming software must be
installed before the add-on profile.
See page 19.
4. Create a project in RSLogix 5000 programming software.
5. Add a 1756 controller to your project.
See page 23.
6. Add a 1756-RIO module to the project by right-clicking on the chassis
in the Controller Organizer and selecting New Module.
The Select Module dialog box appears.
7. Expand the Communications heading and select the 1756-RIO module.
Click OK.
See
page 24
.
8. Select the General tab on the Module Properties dialog box to set the
module properties.
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The 1756-RIO Module-Getting Started Chapter 1
9. Enter the module name and slot number.
See
page 24
.
10. Click the Change button in the Module Definition section. Select your
desired mode, scanner or adapter.
The module ships in scanner mode. Note the number of input/output
tags. If this number is not the same after you map your data with the
configuration tool, you will have to return to this screen and change
them to match your configuration. You can specify independently the
number of input and output tags within the range of 1…10. Each tag
you create will create a block of 248 integers. For example, a value of 2
will create 2x248, or 498 integers.
11. When done, click OK on the Module Definition dialog box.
See page 25.
12. Select the Connection tab on the Module Properties dialog box.
13. Set the Requested Packet Interval (RPI).
See page 27.
14. Click on the Remote I/O tab, name the RIO file, and click the OK
button.
15. Choose Yes on the Create dialog box.
See
page 31
.
This will close the Module Properties dialog box. You will need to
double-click on the 1756-RIO module in the controller organizer to re-
open the Module Properties dialog box.
16. Click on the Configure Remote I/O Devices button on the Module
Properties dialog box to launch the configuration tool.
17. In the configuration tool, if needed, under the Tools menu, select Set
1756-RIO Module Scanner/Adapter Mode menu to match the RIO
module functionality to match your application, Scanner or Adapter.
See
pages 33
.
18. Configure the RIO module to match your application. In scanner mode,
add the desired racks to scan, and any block transfer modules. In adapter
mode, configure the desired racks to be emulated, or monitored, and
add any block transfer modules. Map all entries, either manually, or by
using the Automap command.
See
pages 51
and
76
.
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19. Download the configuration to the module. From the configuration
tool’s Configure menu, select Download Configuration. Set the
communication path when prompted.
See page
91
.
20. Save the project.
21. Go online in the RSLogix 5000 project and download the configuration
to the controller.
See page
30
.
See
Chapters 2
and
3
for in-depth information on setting module modes and
configuration.
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The 1756-RIO Module-Getting Started Chapter 1
Install the Software
Begin by installing the RSLinx software, version 2.54 or later, with an
activation, on your computer. You must use RSLinx Gateway or RSLinx
Professional software. Do not use RSLinx Lite software.
Then, install RSLogix 5000 programming software, version 17 or later, and the
associated controller firmware.
Install the 1756-RIO module in the 1756-ControlLogix chassis.
See publication 1756-IN610.
Install the Add-on Profile
Installing the add-on profile also installs the software configuration tool. The
add-on profile and the configuration tool (56RioCfg) are on the CD that ships
with your module.
Once loaded onto your computer, the configuration tool is accessible within
the RSLogix 5000 add-on profile. The configuration tool contains two separate
programs; one for scanner mode, 56RioCfgScan; and one for adapter mode,
56RioCfgAdpt. The program that launches depends on which mode you
select.
With the configuration tool, you can:
•change modes.
•set the baud rate.
•autoconfigure racks from an attached Remote I/O network.
•manually add and configure racks.
•add and configure block transfer modules.
•map I/O data to the ControlLogix controller produced/consumed
connections.
•save and load configuration files.
•download and upload configurations.
•archive projects.
•monitor diagnostics, rack status, discrete data, and block transfers.
IMPORTANT
The 1756-RIO module requires RSLogix 5000 programming
software, version 17, or later. The add-on profile does not work
with previous versions of RSLogix 5000 programming software.
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To install the add-on profile along with the configuration tool, follow these
steps.
1. Make sure any instances of RSLogix 5000 programming software is shut
down before beginning.
2. Insert the CD that was shipped with your module into your computer.
3. Open the folder 1756-RIO Configuration Tool Setup. Run the
MPSetup.exe program.
The RSLogix 5000 Module Profiles Setup Wizard launches.
4. Follow the prompts to complete the installation. Click Next. Accept the
License Agreement, install the profile, and begin.
ATTENTION
If you get a message about DTL32.DLL when installing or
running the programs on the configuration CD, it indicates
problems with the RSLinx software installation. Confirm that
you have the correct version of RSLinx software. RSLinx Lite
software cannot be used.
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The 1756-RIO Module-Getting Started Chapter 1
5. On the Module Profiles Setup dialog box, click Install to configure
RSLogix 5000 Module Profiles.
6. Click Next.
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7. Click Finish.
Create the RSLogix 5000
Project
Once the add-on profile is installed, you are ready to create the RSLogix 5000
project. In this section, you will:
start a new project.
configure the controller in the project.
add the 1756-RIO module to the project.
enter the requested pack interval (RPI).
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The 1756-RIO Module-Getting Started Chapter 1
Configure the Controller
1. Launch RSLogix 5000 programming software, if it is not opened.
2. In the RSLogix 5000 programming software Controller Organizer, from
the File menu, choose New.
3. On the New Controller dialog box, select a 1756 controller, the Revision
number, Name, Chassis Type, and Slot number. The 1756-RIO module
can only be used in RSLogix 5000 programming software, version 17, or
later.
4. Click OK.
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Add the 1756-RIO Module
1. On the Controller Organizer, right-click on the I/O Configuration
folder and select New Module from the pull-down menu.
2. On the Select Module dialog box, expand the Communications tab and
select the 1756-RIO module.
3. Click OK.
The 1756-RIO Module Properties dialog box displays.
IMPORTANT
You must be offline to add the module to the I/O configuration
in the RSLogix 5000 project.
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The 1756-RIO Module-Getting Started Chapter 1
On the Module Properties dialog box, from the General tab, you can
assign the module name, description, slot number, and module
definition.
The Module Definition dialog box displays.
4. Click OK on the Module Definition dialog box.
5. Click Yes to accept any changes.
6. Click OK again on the bottom of the General tab.
Item Description
Name Choose a name that easily identifies the module.
Description The Description field is optional.
Slot The Slot field must match the slot number of the 1756-RIO module’s location in the chassis.
Module Definition-
Change … button Click on the Change … button to change the Series, Revision, Electronic Keying, Mode (scanner or adapter),
or Number of Input or Output Tags. The Module Definition dialog box displays.
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Chapter 1 The 1756-RIO Module-Getting Started
Module Definition Dialog Box
Item Description
Series Module series letter.
Revision Firmware revision number.
Electronic Keying Exact Match: requires all keying attributes of the physical module and the module created in the software to
match precisely to establish communication.
Compatible Module: the module determines whether to accept or reject communication. Compatible Keying
allows the physical module to accept the key of the module configured in the software, provided that the
configured module is one the physical module is capable of emulating. This is the default setting.
Disabled Keying: indicates the keying attributes are not considered when attempting to communicate with a
module. Be extremely cautious when using this option; if used incorrectly, this option can lead to personal injury
or death, property damage, or economic loss.
Mode - Scanner or
Adapter The module ships in scanner mode. (The 4-character display on the front of the module also indicates which mode
is set.) If you want to change the mode setting, you must first select the desired mode in the add-on profile on the
Module Definition dialog box from the pull-down menu, so that the correct configuration tool starts. Then, on the
Remote I/O tab, you must click on the Configure Remote I/O devices button (the configuration tool), and select the
Tools menu>Set 1756-RIO Module/Scanner mode to download the correct firmware.
Be aware that changing the module mode downloads firmware specific to the mode chosen. This mode setting
must match between the RSLogix 5000 programming software project and the configuration tool, but keep in
mind that the correct firmware must also be downloaded.
Input Tags - Output
Tags Up to 10 input and output tags can be selected. Each tag is 248 words. The number of input/output tags entered
in the add-on profile’s Module Properties has to be equal or greater than the number of tags in the configuration
tool.
The number of tags in the configuration tool are determined by the mappings you create. The more tags you have,
the more backplane traffic is generated. It’s best to keep the number of tags low, which is what the automatic
mapping command does, by mapping the data and packing it into the lowest number of tags.
For example, a single rack with discrete data that has the inputs/outputs mapped to block 9 requires the input/
output tags to be 10. So, in the Module Properties>General tab>Module Definition>Change button, select 10 for
the number of input and output tags.
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The 1756-RIO Module-Getting Started Chapter 1
Enter the RPI
To set the RPI, follow these steps.
1. On the controller organizer, double-click on the RIO module.
2. On the Module Properties dialog box, from the Connection tab, set the
RPI for the module.
IMPORTANT
If you are using the 1756-RIO module in a remote rack, for
example, a rack connected to the controlling ControlLogix
controller over ControlNet or Ethernet/IP, it may be necessary to
increase the RPI, as the intermediate network may not have
sufficient bandwidth to support faster updates (small RPIs). The
likelihood of having bandwidth issues is increased as you
increase the number of 248-word input and output tags.
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Remote I/O Update Time
The remote update time is the time it takes the Remote I/O scanner to scan all
of the adapters in its I/O scan list.
The scan rate is the approximate time it takes to scan a 16-slot logical chassis
without block transfers. The number and sizes of block transfers can
significantly affect this time.
So, for example, if you have eight adapters on your network and your baud rate
is 230.4 K, your approximate remote I/O update time would be 8 (# of
adapters) * 3 ms (scan rate), or, 24 ms.
RPI
The Requested Packet Interval (RPI) specifies the rate at which the 1756-RIO
module and the ControlLogix controller exchange data to and from each
other. The allowable RPI’s range is from 2…750 ms, with a default of 20 ms.
When the specified time frame elapses, the 1756-RIO module and the
ControlLogix controller produce data for each other. All 1756-RIO input and
output tags update with the same RPI.
Select an RPI for your application. For most applications, a good rule of
thumb would be to set the RPI equal to one half of the remote I/O scan time.
Baud Rate Scan Rate
230.4 K 3 ms
115.2 K 5 ms
57.6 K 8 ms
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The 1756-RIO Module-Getting Started Chapter 1
Throughput
When using the 1756-RIO module, your system throughput is based on the
following key factors:
Number and sizes of adapters
Number and sizes of block transfer modules
Overall remote I/O update time
RPI
Any network cards involved
Controller scan time
The asynchronous nature of the RPI and the remote I/O scan
Since the RIO scan is asynchronous to the RPI, the worst case, or maximum
update time to get information from the 1756-RIO into the controller is the
RPI plus two times the remote I/O update rate.
You can use the diagnostic functions of the 1756-RIO configuration tool’s
utilities to measure the average, minimum, and maximum update times on the
Remote I/O network.
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Set Communication Path
and Download to the
Controller in the RSLogix
5000 Project
Follow these steps to set the communication path and download to the
controller.
1. On the main menu, from the Communications menu, select Who
Active.
2. Browse to the controller.
3. Click the Set Project Path button.
4. Click Download.
Launch the Configuration
Tool and Select the Module
Mode
Once the desired module mode is set in the RSLogix 5000 module properties,
you must select the mode in the configuration tool to download the correct
firmware. You must first launch the configuration tool and then verify the
mode setting matches in the Module Properties and in the configuration tool.
The correct firmware must be downloaded for the module to run correctly.
ATTENTION
If your desired mode is scanner mode, you do nothing at this
point, as the module ships in scanner mode.
IMPORTANT
The controller must be in Program Mode to continue with the
firmware update.
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The 1756-RIO Module-Getting Started Chapter 1
Launch the 1756-RIO Configuration Tool
Follow these steps to launch the configuration tool and to set the mode in the
configuration tool.
1. On the Module Properties dialog box, click the Remote I/O tab.
2. On the Remote I/O tab window, in the RIO File (.rio): field, type a file
name, or use the Browse button.
The file name can include a path. If the file or directory does not exist, it
is created.
3. Click OK.
The following dialog box appears.
The Configure Remote I/O
Devices button is not active.
ATTENTION
When you create a file, the default location is the project
directory. If you enter a path or file that does not exist, it is
created. The file is not created until you run the configuration
tool. You can use the browse button to select a location. If you
change the path, you must click Apply before you can use the
Configure Remote I/O Devices button.
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4. Click Yes. The Module Properties dialog box closes.
5. On the controller organizer, double-click on the 1756-RIO module to
re-open the Module Properties dialog box. Select the Remote I/O tab.
Notice that the Configure Remote I/O Devices button is now active.
6. Click the Configure Remote I/O Devices button to launch the
configuration tool.
The 56RioCfgScan dialog box displays. You are now in the
configuration tool software for scanner mode. You can change
operating modes and configure a Remote I/O network.
The Configure Remote I/O
Devices button is now active.
TIP
If you want to change operating modes, you should do this
before configuring the module’s settings. When you change the
operating mode, you are downloading the latest firmware to
the module. The firmware is specific to the mode you choose,
scanner or adapter.
IMPORTANT
Notice that because ‘Scanner’ mode was set in the RSLogix
5000 programming software on the General Tab of the RIO
Module Properties dialog box, the scanner program within the
configuration tool (56RioCfgScan) starts and displays at the top
of the profile’s dialog box.
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The 1756-RIO Module-Getting Started Chapter 1
7. On the 56RioCfgScan dialog box, from the Tools menu, choose Set
1756-RIO Module Scanner/Adapter Mode.
8. On the RSLinx Path Selection dialog box, click the Autobrowse box to
browse the path to the 1756-RIO module to set the communication
path and click OK.
The configuration tool then displays the current mode in the
56RioSetMode dialog box and lets you select the mode you want to use.
The 56RioCfgScan program
title displays at the top of the
configuration tool’s dialog box
indicating that scanner mode
was chosen in the module’s
properties in the RSLogix 5000
add-on profile, and that you
are running the scanner
configuration tool’s firmware.
IMPORTANT
Remember, specific firmware downloads, depending on mode
selection. Also, you are prompted to reset the communication
path when changing from one mode to another.
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In the 56RioSetMode dialog box, select the mode from the New Mode pull-
down menu and click OK to download the new firmware.
A status window displays showing the progress of the mode change.
The 1756-RIO SetMode Confirmation dialog box displays the version
of the firmware it is about to download. Check carefully that this
firmware version is correct.
IMPORTANT
Steps 9 and 10 change the configuration of the RIO module
between adapter and scanner mode. If your module is
configured for the desired mode, these steps are not necessary.
IMPORTANT
Changing the 1756-RIO module mode or updating firmware
clears the remote I/O configuration stored on the 1756-RIO
module.
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The 1756-RIO Module-Getting Started Chapter 1
9. Click OK to download the firmware.
Once you click OK, the words ‘Firmware Update’ scroll across the front
of the 1756-RIO module’s 4-character display indicating that the
firmware change is taking place.
The tool downloads the firmware and displays the progress of the
download. When the download is complete, the tool displays the result
of the download. The 1756-RIO SetMode Completed Successfully
dialog box appears.
10. Click OK.
The front of the 1756-RIO module’s character display should now
indicate the new firmware mode.
If the download fails, the tool displays an error message.
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37Publication 1756-UM534B-EN-P - November 2010 37
Chapter
2
Configure Scanner Mode
Introduction
Once the 56RioCfg configuration tool launches, you can configure a Remote
I/O network using the RIO module as a scanner, or an adapter. This chapter
describes how to configure the module for use in scanner mode.
In scanner mode, the ControlLogix controller writes remote I/O outputs and
reads remote I/O inputs. The 1756-RIO module enables communication
between the controller and devices on a Remote I/O network. The scanner
continuously scans the adapters on the Remote I/O network.
Two types of data are transferred over the Remote I/O network - discrete and
block transfer data. Discrete data transfers consist of the scanner sending
output data and communication commands to the adapter, which instruct the
adapter about how to control its output. The adapter responds by sending
input data to the scanner.
The remote I/O block transfer module is a data transfer mechanism that lets
you control the transfer of up to 64 words of data to or from a remote device.
The 1756-RIO module allows the user to offload block transfer execution
from the controller. The data appears in the data table of the ControlLogix
controller without having to execute the logic in the controller to perform the
block transfer. A Block Transfer Read (BTR) receives data from a remote
device. A Block Transfer Write (BTW) sends data to a remote device.
In this chapter, you use the configuration tool to configure the module in
scanner mode to prepare it for use on the Remote I/O network. You will:
•configure the racks automatically, or manually.
•add and configure block transfer modules.
•map the remote I/O modules to the ControlLogix controller produced/
consumed data.
Topic Page
Configure Scanner Summary 38
Set the Baud Rate 39
Autoconfigure Racks 40
Manually Configure Racks 43
Configure Block Transfer Modules 46
Map I/O Data 51
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Chapter 2 Configure Scanner Mode
Configure Scanner
Summary
The following list summarizes the steps to configure the 1756-RIO module in
scanner mode.
1. Set the baud rate.
2. Autoconfigure online racks on the network. (Make sure the controller is
set to Program Mode.)
3. Set the communication path.
4. Manually add any additional racks that are not online.
5. Manually add and configure block transfer modules.
6. Map/Automap the data.
1756 Controller
Remote I/O Module
Scanner Mode
1771-ASB
Remote I/O Adapter
1771
I/O
I/O
I/O
1747-ASB
Remote I/O Adapter
1746
I/O
I/O
I/O
1771 I/O
1746 I/O
Universal Remote I/O Network
Scanner Mode
44803
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Configure Scanner Mode Chapter 2
Set the Baud Rate
After setting the operating mode for the 1756-RIO module, you must set the
baud rate.
1. On the 56RioCfgScan dialog box, right-click on the controller on the I/
O tree and from the pull-down menu, select 1756-RIO Properties.
The 1756-RIO Properties dialog box displays.
2. Select the baud rate.
3. You can also optionally enter an LED Banner name.
This is a unique name you assign to identify the module. This is useful
when you have multiple RIO modules on your network. The LED
Banner displays on the 4-character display on the 1756-RIO module. It
can be from 0…15 characters long.
4. Click OK.
You must perform a download to reconfigure the module.
Value Baud Rate, Kbps
57 k - scanner mode default 57.6
115 k 115.2
230 k 230.4
TIP
If you perform an autoconfiguration, the 1756-RIO module
automatically detects the baud rate by sending packets to an
attached remote I/O network.
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5. On the main menu, from the Configure menu, choose Download, or
click the Download Config to Module button on the toolbar.
Autoconfigure Racks
You can autoconfigure racks attached to the network, or add additional racks
manually. The Autoconfigure command scans the Remote I/O network to
determine which racks are present.
The module automatically detects the network baud rate and configures the
racks on the attached Remote I/O network.
The 56RioCfgScan tool sends messages to all possible racks, detects all
possible baud rates, and from the replies, determines which racks are on the
network.
Main Menu
Toolbar
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Configure Scanner Mode Chapter 2
The icons on the 56RioCfgScan tool show the partial rack sizes and locations.
Racks are shown with starting and ending I/O groups. For example, the
following tree shows rack 0 consisting of 4 quarter racks.
Block transfer modules must be added and configured manually.
When the module is in scanner mode, the 1756-RIO module performs the
following actions during autoconfigure. The module:
•detects the network baud rate by sending messages at each baud rate,
looking for responses.
•then sends messages to all possible racks on the network.
•builds a network configuration from the observed network responses.
•displays the network configuration.
Partial Rack (1/4 rack)
Rack 0
IMPORTANT
The controller with the connection to the 1756-RIO module
must be in program mode when you perform an
autoconfiguration. The following error message displays if the
controller is not in program mode.
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To perform an autoconfigure in scanner mode, follow these steps.
1. On the main menu, from the Configure menu, select Autoconfigure, or
click the Autoconfigure button on the toolbar.
Any configuration previously stored in the 1756-RIO module is overwritten by
the data from the autoconfiguration. You are given the option to save the
previous configuration before it proceeds with the autoconfiguration.
Autoconfiguration detects just the rack structure, it cannot locate block
transfer modules. You have to manually add block transfer modules to the
rack.
TIP
There is no specific ’auto’ baud rate when the module is in
scanner mode. When using autoconfigure, the 1756-RIO module
tries all three baud rates and sets the baud rate based on the
responses to the messages it sends. You need to make sure that
all devices on the network are set at the same baud rate.
TIP
After performing an Autoconfigure, what displays by the
56RioCfgScan tool matches what is in the 1756-RIO module. No
download is necessary. The Autoconfigure also automatically
maps the discrete rack data to tags in the ControlLogix
processor.
Main Menu
Toolbar
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Configure Scanner Mode Chapter 2
Manually Configure Racks
To add a rack manually to the remote I/O configuration, follow these steps.
1. On the 56RioCfgScan dialog box, right-click on the root of the I/O tree,
which represents the remote I/O scanner, and select Add Rack from the
pull-down menu.
The Add/Resize Rack dialog box displays.
2. On the Add/Resize Rack dialog box, select the Rack number (in octal),
the Start Group, and the End Group.
3. Click OK.
Item Field Description Range
1 Rack 0…76 octal available.
2 Start Grp (I/O) 0,2,4,6.
A logical rack consists of eight I/O groups, numbered 0…7. The smallest unit allowed on a
network is a quarter rack, so the starting I/O groups are 0,2,4,6.
3 End Grp (I/O) 1,3,5,7.
Ending I/O groups.
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Matching Configuration Tool Settings with Module Settings
After manually adding a rack, a download is necessary.
To download to the module, from the Configure menu, select Download
Configuration; or, from the toolbar, click the Download Config to Module
button.
Manually adding racks also requires the discrete data to be mapped to tags in
the ControlLogix controller before allowing a download. The data can be
mapped automatically or manually.
See Map I/O Data on page 51.
Main Menu
Toolbar
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Configure Scanner Mode Chapter 2
Resize a Rack
To resize a configured rack, follow these steps.
1. On the 56RioCfgScan dialog box, right-click on the rack in the I/O tree
and choose Resize Partial Rack from the pull-down menu.
The Add/Resize Rack dialog box displays.
2. Select Start Group and End Group.
3. Click OK.
If resizing the rack results in an overlap with an existing rack, the resize
fails and displays an error message.
If resizing the rack results in deleting block transfer modules, you are
given the option of cancelling the resize, or proceeding and deleting the
block transfer modules.
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Delete a Rack
To delete a rack, follow these steps.
1. On the 56RioCfgScan dialog box, right-click on the rack in the I/O tree
and choose Delete Rack(s).
2. To delete a partial rack, expand the rack in the I/O tree, right-click on
the partial rack and choose Delete Partial Rack.
Configure Block Transfer
Modules
All block transfer modules represent some type of analog data. Block transfer
modules transfer a block (64 words maximum) of analog-type data at a rate
configured by the user. The 1756-RIO module lets the user offload block
transfer execution from the controller to the 1756-RIO module.
If a slot is occupied by a discrete I/O module, or is empty, select ‘Discrete’,
which is the default. If a specific block transfer module occupies the slot, select
the part number of that block transfer module.
Not all block transfer modules are supported directly by the 1756-RIO
module. If the module you are using does not appear in the list, set the module
type to BT-MODULE and set the lengths to the appropriate values. In some
cases, there are multiple templates for a given block transfer module to show
that the module can be used in significantly different ways.
See Appendix D for additional information on block transfer templates.
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Configure Scanner Mode Chapter 2
All block transfer data is mapped into one of the possible 10 produced/
consumed connections on the controller. Each produced/consumed
connection allows 248 16-bit words, in and out. There are two words of
overhead for each block transfer for control/status. The 1756-RIO module
can execute as many block transfers as the user configures up to the limits of
available memory mapped to the ControlLogix controller.
To configure a block transfer module, follow these steps.
1. On the 56RioCfgScan dialog box, expand the I/O tree to choose the
location where you want to add the module.
2. On the I/O tree, right-click the slot where you want to add the module
and select Module Properties.
IMPORTANT
Block transfers do not need MSG instructions to execute.
TIP
In scanner mode, block transfer modules can be configured
manually, also.
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3. On the I/O Module Properties dialog box, from the Module Type pull-
down, select the type.
4. Click OK.
The I/O Module Properties dialog box displays.
5. Click Configure to display the BT Module Parameterization
configuration dialog box to configure the module.
This example shows the BT Module Parameterization dialog box for a
16-channel 1771-IFE module. Each module is different.
Use the dialog box to set parameters for a block transfer module. These
parameters are defined in the template file for the block transfer module
and are typical quantities, such as scaling parameters, and alarms.
Module Types
Type Description
Discrete A block transfer module does not exist at this location.
BT-MODULE Any other block transfer module not listed by part number in the system.
1746-xxx…1794-xxx Part number of block transfer (analog) modules with template files in the system that are compatible with the
1756-RIO module. See Supported Modules on page 12 for the complete list.
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6. Enter the configuration data and click OK.
7. On the I/O Module Properties dialog box, select how you want the
block transfer to update.
There are three update modes: automatic, semi-automatic, and manual.
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8. On the I/O Module Properties dialog box, select the block transfer
read-and-write-update rates, from 0…16,383 ms.
A rate of 0 means the 1756-RIO module updates the block transfer as
fast as the network and the block transfer module allows.
Type Description
Automatic 1756-RIO module controls block transfer update.
Automatic block transfers perform a single configuration block transfer write every time the controller
transitions from Program to Run mode and then perform timed data block transfer read and write updates using
the BTR and BTW data lengths and times from the configuration tool. The length values and update times for
automatic block transfers all come from the configuration tool.
Automatic block transfers begin as soon as the controller is in run mode; they do not have to be triggered.
Errors in block transfer execution are indicated by non-zero values returned to the ControlLogix controller.
In automatic mode, the module configuration data values come from the configuration tool as default values, or
from user parameters. The size of the configuration block transfer write is the data BTW length, BtwLen, plus
the Config BTW Length, CfgLen, from the template. The data block transfer write length is BtwLen from the
template and this is the length mapped to ControlLogix output data.
The size of the data block transfer read is set by the configuration tool.
Semi-automatic 1756-RIO module controls block transfer update.
Semi-automatic block transfers perform a single configuration block transfer write every time the controller
transitions from Program to Run mode and then perform timed data block transfer read and write updates using
the BTR and BTW data lengths and times from the configuration tool. The length values and update times for
semi-automatic block transfers all come from the configuration tool.
Semi-automatic block transfers begin as soon as the controller is in run mode; they do not have to be triggered.
Any errors in BT execution are indicated by non-zero values in the ControlLogix controller.
In Semi-automatic mode, the module configuration data values come from ControlLogix output data. The size of
the configuration block transfer write is the data BTW length, BtwLen, plus the Config BTW Length, CfgLen,
from the template, and this is the length mapped to ControlLogix output data. The data block transfer write
length is BtwLen from the template.
The size of the data block transfer read is set by the configuration tool.
Manual The ControlLogix controller controls block transfer update.
I/O module configuration gathers data from the ControlLogix controller.
To execute block transfers in manual mode:
enter the BTR and/or BTW length and BTW data in the control block for the module.
set the BTR.EN and/or BTW.EN bits (BTR.CONT/BTW.CONT) for continuous execution.
check the BTR.DN/BTW.DN bits that indicate BT execution is complete (BTR data is available at that time).
check the BTR.ERR/BTW.ERR bits. If set, read the error code to determine the cause of the problem.
Inhibit Automatic Block
Transfers To inhibit a running automatic, or semi-automatic block transfer, set bit 9 to offset 0 of the mapped output data
for the module.
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Map I/O Data
You must map the I/O data to locations in the ControlLogix controller input
and output data before you can scan the Remote I/O network.
Mapping connects locations in the ControlLogix input and output tags to
locations on the Remote I/O network (discrete data on racks and block
transfer reads and writes.)
Connections (produced/consumed) occur between the 1756-RIO module and
the ControlLogix controller. They are point-to-point links between two end
points.
Produced/consumed tag data is the information that gets passed back and
forth over the line between the two end points.
There are up to 10 blocks of produced/consumed tag data. Discrete and block
transfer tag data gets ‘packed’ into the ControlLogix produced/consumed
data. When discrete and block transfer tag data are mapped, or when the
configuration tool ‘auto maps’ the data for you, you are selecting which of
those blocks the tag data is mapped to, and the offset in the block where the
tag data is found.
See Scanner Mode I/O Map on page 129.
When mapping is complete, you must export the aliases to the 1756-RIO
module and import the configuration to the RSLogix 5000 project.
See Aliases on page 84, for a complete discussion of exporting and importing
aliases.
IMPORTANT
It is essential that the control program on the host controller
matches the addresses in the mapping configuration on the
1756-RIO module, otherwise the control program may
inadvertently write to the incorrect I/O locations. If you change
the data mappings on the 1756-RIO module, make sure that the
control program uses the correct addresses.
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ATTENTION
Unassigned, or unmapped, data (I/O addresses) are shown as
xxx in the I/O tree.
IMPORTANT
If you change mappings, make sure you clear the output table in
the ControlLogix controller to prevent inadvertently writing to
an incorrect I/O location. If you leave a value behind in the
output table, it now points to something else on the Remote I/O
network. To clear the output table, set the outputs to 0. You
must also re-import the aliases.
Unmapped Data
Mapped Data
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Automatic Mapping
The Auto Map Any Unassigned command automatically maps any unassigned
discrete or block transfer data to ControlLogix connections. Discrete data is
mapped before block transfer data. The longest blocks of data are mapped
first, from the lowest addresses up. Any previously-assigned addresses remain
unchanged.
On the 56RioCfg configuration tool dialog box, from the Map menu, choose
Automap Any Unassigned to automatically map all the data.
Any xxxs are replaced with an actual I/O address.
Manually Map Discrete (rack) Data
1. On the 56RioCfgScan dialog box, right-click on the rack, and select
Rack Map Discretes - Assign Manually.
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2. On the Map Rack…Manually dialog box, from the CLX Block pull-
down menu, select the ControlLogix block and Data Offset within the
block for the Input Mapping and Output Mapping.
Data Offset Field Range Choices
3. Click OK to accept the mapping.
The configuration tool checks for overlaps with previously-mapped data and
displays an error if it finds an overlap.
Item Field Description
1 Clx Block There are up to 10 data blocks (0…9) available on the ControlLogix controller for inputs and outputs. You select
the block where the data is ’packed’.
2 Data Offset The data offset (0…247) is the area in the data block where the input/output data is found.You select the data
offset area within the block.
12
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Manually Map Block Transfer Data
1. On the 56RioCfgScan dialog box, from the expanded rack list, right-
click on the module and select BT Module Clx Map - Assign Manually.
2. On the Map BT Module…Manually dialog box, from the CLX Block
pull-down menu, select the ControlLogix block and Data Offset within
the block for the Input Mapping and Output Mapping.
3. Click OK to accept the mapping.
The configuration tool checks for overlaps with previously-mapped data and
displays an error message if it finds an overlap.
If there is insufficient space in the current block to map the data:
•the Data Offset field is blank.
•the OK button appears dimmed.
Change the block number and select an offset.
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Re-Map Command
Use the Re-Map All command to clear all previous mappings and
automatically map all discrete and block transfer data to connections.
From the Map menu, select Re-Map All.
See Aliases on page 84, for exporting and importing aliases.
IMPORTANT
If you change mappings, make sure you clear the output table in
the ControlLogix controller to prevent inadvertently writing to
an incorrect I/O location. If you leave a value behind in the
output table, it now points to something else on the Remote I/O
network. To clear the output table, set the outputs to 0. You
must also re-import the aliases.
ATTENTION
If you remap I/O data, you should export aliases and re-import
them into the RSLogix 5000 project so the control program uses
the new assignments.
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Clear Mappings
Follow these steps to clear all mappings.
1. To clear all assigned mappings, on the 56RioCfgScan dialog box, from
the Map menu, choose Clear All Mappings.
2. On the Clear ALL Mappings dialog box, confirm that you want to clear
all the existing mappings and click Yes.
IMPORTANT
If you change mappings, make sure you clear the output table in
the ControlLogix controller to prevent inadvertently writing to
an incorrect I/O location. If you leave a value behind in the
output table, it now points to something else on the Remote I/O
network. To clear the output table, set the outputs to 0. You
must also re-import the aliases.
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Clear Discrete Rack Data Mappings
Follow these steps to clear mappings for discrete (rack) data.
1. On the 56RioCfgScan dialog box, right-click on the rack and select Rack
Map Discretes - Clear.
2. On the Clear Rack Map dialog box, confirm that you want to clear the
existing mappings and click Yes.
IMPORTANT
All of the preceding mapping and configuration examples
currently reside only within the 56RioCfgScan software and
must be downloaded to the 1756-RIO module.
See page 30 for download steps.
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Clear Block Transfer Module Data Mappings
Follow these steps to clear the mappings for block transfer data.
1. On the 56RioCfgScan dialog box, from the expanded rack, right-click
on the block-transfer module and select BT Module Clx Map - Clear.
2. On the Clear BT Module Map dialog box, confirm that you want to
clear the BT Module mappings, and click Yes.
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Notes:
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Chapter
3
Configure Adapter Mode
Introduction
This chapter explains how and why to use the 1756-RIO module in adapter
mode. In adapter mode, the 1756-RIO module can perform two functions
simultaneously.
First, the module can emulate one or more racks of I/O to a scanner,
exchanging data with that scanner (for example, a PLC-5, PLC-3, or SLC
controller). On Active racks, the module writes remote I/O inputs and reads
remote I/O outputs.
Second, it can monitor other remote I/O racks. On Monitored racks, the
1756-RIO module can monitor existing I/O, also known as ‘Monitor mode,’
and can be used to upgrade a PLC-5, PLC-3, or SLC system to a ControlLogix
system. Monitor mode provides existing discrete inputs and outputs, and
Block Transfer reads and writes to the ControlLogix controller.
See Scan Mode and Monitor Mode on page 99 for a complete description of
using Monitor mode.
The 1756-RIO module communicates with the ControlLogix controller using
up to 10 input connections and 10 output connections via produced/
consumed data. Remote I/O data maps into the connections by the
configuration tool.
In this chapter, you use the configuration tool to configure the module in
adapter mode to prepare it for use on the Remote I/O network. You will:
•configure the racks automatically or manually.
•add and configure block transfer modules.
•map the remote I/O modules to the ControlLogix controller produced/
consumed data.
Topic Page
Configure Adapter Summary 62
Set the Baud Rate 63
Autoconfigure Racks 64
Manually Configure Racks 69
Configure Block-transfer Modules 72
Map I/O Data 76
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Adapter Mode
Configure Adapter
Summary
The following list summarizes the steps to configure the 1756-RIO module in
adapter mode.
1. Set the baud rate.
2. Autoconfigure online racks on the network. (Make sure the controller is
set to Program Mode.)
3. Set the communication path.
4. Manually add any additional racks that are not online.
5. Manually add and configure block transfer modules.
6. Map/Automap the data.
RIO Scanner
(reads inputs and
writes outputs to
scanned racks)
PLC-3, PLC-5, SLC, Etc.
ControlLogix
1756-RIO
in Adapter
Monitor Mode
1771 I/O Rack
1747 I/O Rack
Rack 1
Rack 2
Rack 3
1771 I/O Rack
Rack 4
RIO Scanner
(reads inputs and
writes ouputs to
scanned racks)
PLC-3, PLC-5, SLC, Etc.
1771 I/O Rack
1771 I/O Rack
1747 I/O Rack
Rack 1
1756-RIO
In Adapter
Mode
ControlLogix
Rack 4
Rack 3
Rack 2
Two-way
communication
between the RIO
scanner and the
1756-RIO module
in adapter mode.
1756-RIO Module as an Active Rack 1756-RIO Module as a Monitored Rack
One-way
communication
between the Remote I/
O network and the
ControlLogix controller.
The RIO scanner
controls the I/O and
the ControlLogix
controller via the 1756-
RIO module in adapter
monitors all I/O data.
In monitor mode, it
monitors the I/O and
brings all input and
output data into the
ControLogix controller.
44828 44829
Universal Remote I/O Network
IMPORTANT
Configuring the 1756-RIO module as an adapter enables the RIO
module to emulate a 1771-ASB module. This allows a path for
peer-to-peer data to be exchanged between the scanner
controller and the ControlLogix owner of the RIO module over
the Remote I/O network. The adapter mode functionality does
not allow the scanner controller to directly control any 1756-I/O
in the chassis with the RIO module.
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Set the Baud Rate
To set the baud rate in adapter mode, follow these steps.
1. On the 56RioCfgAdpt dialog box, right-click on the controller on the I/
O tree and from the pull-down menu, select 1756-RIO Properties.
The 1756-RIO Properties dialog box displays.
2. On the 1756-RIO Module Properties dialog box, select the baud rate.
3. You can also enter an LED Banner name. This is a unique name you
assign to identify the module. This is useful when you have multiple
RIO modules on your network. The LED Banner displays on the 4-
character display on the 1756-RIO module. It can be from 0…15
characters long.
4. Click OK.
The default baud rate is Auto (automatic baud rate detection).
Value Baud Rate, Kbps
57 k 57.6
115 k 115.2
230 k 230.4
Auto - adapter mode default Auto
TIP
If you perform an autoconfiguration, the 1756-RIO module
automatically detects the baud rate by monitoring an attached
Remote I/O network.
TIP
If you are only using Active racks, set the baud rate to match
the Remote I/O network. Don’t set it to Auto.
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Autoconfigure Racks
When the module is in adapter mode, autoconfigure builds a configuration
based on what it has heard on a running network. This process differs from
scanner mode, because the 1756-RIO module does not scan these racks, only
monitors the information to and from these racks.
The module automatically detects the network baud rate and configures the
racks on an attached Remote I/O network. Autoconfiguration detects the rack
structure and causes the 1756-RIO module to monitor the data to and from
these racks. Active and monitored racks are displayed.
See Active Versus Monitored Racks on the Network on page 67 for detailed
information about active and monitored racks.
Autoconfigure in adapter mode performs the following actions:
•Detects the network baud rate
•Monitors messages to and from racks on the network
•Builds a network configuration from the observed network traffic
•Displays the network configuration
To autoconfigure in adapter mode, you must:
• clear the old configuration.
•download a new, empty configuration.
•set the baud rate to ‘auto’, or to the baud rate that matches the existing
network.
•put the scanner in Run mode until all block transfers execute.
•put the scanner back in Program mode.
•perform the autoconfiguration.
IMPORTANT
The controller with the connection to the 1756-RIO module
must be in program mode when you perform an
autoconfiguration.
ATTENTION
Please note, any configuration previously stored in the 1756-
RIO module is overwritten by the data from the
autoconfiguration. You are given the option to save the previous
configuration before it proceeds with the autoconfiguration.
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Perform the AutoConfiguration
Follow these steps to perform autoconfiguration.
1. On the 56RioCfgAdpt dialog box, from the Configure menu, choose
Download Configuration, or click the Download Configuration button
on the toolbar.
This clears the previous configuration and downloads an empty
configuration to the 1756-RIO module.
2. Set the baud rate to Auto. On the 56RioCfgAdpt dialog box, right-click
on the controller in the I/O tree, and from the pull-down menu, select
1756-RIO Properties to enter the baud rate.
3. To automatically add block transfers, put the remote I/O scanner
module in Run mode (you set it to Program mode before you began the
autoconfiguration) and wait until the block transfers execute. Then put
the scanner back in Program mode.
Main Menu Toolbar
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4. On the 56RioCfgAdpt dialog box, from the Configure menu, choose
Autoconfigure to build a configuration from observed network traffic,
or click the Autoconfigure button on the toolbar.
The RSLinx Path Selection autobrowse dialog box displays.
5. Navigate to the backplane and select the 1756-RIO adapter module and
click OK.
The 1756-RIO module builds a configuration based on what it has observed
on the Remote I/O network since the download. The configuration includes
racks, block transfer modules, and observed block transfer updates. All block
transfers are set to type BT-MODULE.
Main Menu Toolbar
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Active Versus Monitored Racks on the Network
You must distinguish between active and monitored racks, and must manually
enter active racks into the 1756-RIO module’s configuration, and manually add
any desired block transfers.
On monitored racks, the 1756-RIO module picks up the block transfers
automatically, but must have the specific module type set. This insures that the
aliases you create for import into the RSLogix 5000 project have names that
better describe the data content. Otherwise, the generic module type, BT-
MODULE, is set.
If you want active racks, add them manually now, then download the modified
configuration to the 1756-RIO module.
In the configuration tree, each rack line precedes an icon representing rack
information. The icons represent type and size. The size, color, and position of
the colored block indicates the location, size, and type of partial rack, and
whether the rack is active or monitored.
Active Versus Monitored Racks
Type Description
Active The 1756-RIO module emulates one or more remote I/O racks. The ControlLogix controller sends the rack-
produced data, which is then sent as remote I/O input data to the scanner on the Remote I/O network. The
remote I/O scanner sends output data for those emulated racks to the 1756-RIO module in adapter mode. The RIO
module then sends that data to the ControlLogix controller as consumed input data.
Use ‘Active’ if you want to exchange data between a ControlLogix controller and a scanner on remote I/O. You
can also configure one or more slots in the Active rack as block transfer modules to exchange larger amounts of
data with the remote I/O scanner. Active racks are one or more racks that the 1756-RIO module is emulating to
share information between the existing scanner and the ControlLogix controller.
Any rack in the configuration tree that contains at least one portion of an Active rack displays with a lightning
bolt and a red indication on the active portion of the rack. The text ‘Actlnp:Ox.Data[xxx]’ also displays, indicating
that this data originated in the ControlLogix controller as output data that appears as input data to the remote I/
O scanner.
Monitor The 1756-RIO module monitors remote I/O inputs on an existing Remote I/O network, and passes data as
produced/consumed data to the ControlLogix controller. This is also known as ‘Monitor mode’. Use ‘Monitor
mode’ if you have a supervisory ControlLogix system that needs to collect data from an existing control system
with remote I/O.
Monitored racks are racks that physically exist on the Remote I/O network and are to be monitored by the 1756-
RIO module. Any portion of a rack in the configuration tree that is configured as ‘Monitor’ displays with a blue
indication on the rack.
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Racks are shown with starting and ending I/O groups in the I/O tree. For
example, the following I/O tree shows rack 0 as a quarter rack starting at I/O
group 0.
The line color denotes active or
monitored partial rack state.
Starting and ending
group number
Lightning bolt denotes an
active partial rack in the rack.
Rack 00 contains four
monitored, quarter racks, so
no ‘lightning bolt’.
Rack Icon Information
Code Description
Lightning bolt Denotes at least some part of the rack is configured as active. Rack
01 contains an active half rack; Rack 03 contains three monitored
quarter racks, but also an Active quarter rack; therefore, the
lightning bolt.
Red Denotes that this portion of the rack is configured as active.
Blue Denotes that this portion of the rack is configured as monitored.
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Manually Configure Racks
To add a rack manually to the remote I/O configuration, follow these steps.
1. On the 56RioCfgAdpt dialog box, right-click on the root of the I/O
tree, which represents the ControlLogix controller, and choose Add
Rack from the pull-down menu.
The Add/Resize Rack dialog box displays.
2. On the Add/Resize Rack dialog box, choose the Rack number (in octal),
the Start Group, the End Group, and Rack Mode (Monitor or Active).
3. Click OK.
Type Description
Active Emulates one or more remote I/O racks. The ControlLogix controller sends the rack produced/consumed data as
input data, which is then sent as remote I/O input data to the scanner on the Remote I/O network. The remote I/
O scanner sends output data for those emulated racks to the 1756-RIO module in adapter mode. The RIO module
then sends that data to the ControlLogix controller as produced/consumed input data.
Use active if you want to exchange data between a ControlLogix controller and a scanner on remote I/O.
Monitor Monitors remote I/O inputs and outputs on monitored, remote I/O racks, and passes data as produced/consumed
input data to the ControlLogix controller. This is also known as ‘Monitor mode’. Use Monitor mode if you have a
supervisory ControlLogix system that needs to collect data from older control systems with remote I/O.
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Resizing Racks
To resize a configured rack, follow these steps.
1. On the 56RioCfgAdpt dialog box, right-click on the rack in the I/O tree
and choose Resize Partial Rack from the pull-down menu.
The Add/Resize Rack dialog box displays. Field options differ
depending on mode.
2. On the Add/Resize dialog box, select Start Group and End Group.
You cannot change the Rack number or Rack type (Active or
Monitored). The radio button is dimmed.
3. Click OK.
If resizing the rack results in an overlap with an existing rack, the resize
fails and displays an error message.
If resizing the rack results in deleting block transfer modules, you are
given the option of cancelling the resize or proceeding and deleting the
block transfer modules.
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Delete Racks
To delete a rack, follow these steps.
1. On the 56RioCfgAdpt dialog box, expand the rack in the I/O tree,
right-click on the rack in the I/O tree and choose Delete Rack(s).
2. To delete a partial rack, expand the rack in the I/O tree, right-click on
the partial rack and choose Delete Partial Rack.
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Configure Block-transfer
Modules
All block transfer modules represent some type of analog data. Block transfers
send a block (64 words maximum) of data to or from an I/O module in one
scan.
If a slot is occupied by a discrete I/O module, or is empty, select ‘Discrete’,
which is the default. If a specific block transfer module occupies the slot, select
the part number of that block transfer module.
Not all block transfer modules are supported directly by the 1756-RIO
module. If the module you are using does not appear in the list, set the module
type to BT-MODULE and set the lengths to the appropriate values. In some
cases, there are multiple templates for a given block transfer module to show
that the module can be used in significantly different ways.
See Block Transfer Module Templates on page 153 for additional information
on block transfer templates.
Block transfers can be added to active or monitored racks.
To configure a block transfer module, follow these steps.
1. On the 56RioCfgScan/56RioCfgAdpt dialog box, expand the I/O tree
to choose the location where you want to add the module.
2. On the I/O tree, right-click the location where you want to add the
module and select Module Properties.
The dialog boxes change depending on mode, active or monitored.
TIP
On active racks, the only Module Type is BT-MODULE.
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3. On the I/O Module Properties, from the Module Type dialog box pull-
down menu, select the module type.
You have various choices depending on the rack type.
4. Click OK.
Active Racks
1. On the I/O Module Properties dialog box, from the Module Type
menu, select BT-MODULE. (On active racks, the only block transfer
module type is BT-MODULE.)
Module Type Selection
Mode Description
Active In Active mode, select BT-MODULE, and then adjust the BTR Length and BTW Length to match your ControlLogix
application. These sizes are determined by the remote I/O scanner and must match the remote I/O scanner’s
configuration.
Monitor In Monitor mode, select the type of module that is in that location on the Remote I/O network from the pull-
down menu. If the specific module is not supported, select BT-MODULE, and adjust the sizes to match your
ControlLogix application. These sizes are determined by the remote I/O scanner and must match the remote I/O
scanner’s configuration.
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From the BTR Len and BTW Len pull-down menus, select the desired
lengths. The BTR Length and BTW Length sizes are determined by the
remote I/O scanner and must match the remote I/O scanner’s
configuration.
2. Click OK.
Monitored Racks
1. On the I/O Module Properties dialog box, from the Module Type pull-
down, select the block transfer module type.
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2. From the BTR Len and BTW Len pull-downs, select the desired lengths.
Select the block transfer Module Type from the pull-down menu that
matches the module on remote I/O. If the desired module is not listed,
select BT-MODULE. Adjust the BTR Length and BTW Length to
match your application. These sizes are determined by the remote I/O
scanner and must match the remote I/O scanner’s configuration.
3. Click OK.
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Map I/O Data
You must map the I/O data to the ControlLogix controller produced/
consumed data blocks and offset locations before you can scan the Remote I/
O network. After mapping is complete, you must export the aliases to the
1756-RIO module and import them to the RSLogix 5000 project.
See Aliases on page 84 for a detailed discussion of Exporting/Importing
Aliases.
Unassigned I/O addresses are shown as xxx in the I/O tree.
Automatic Mapping
The configuration tool maps all unassigned I/O to produced/consumed
inputs and outputs. It leaves any previously assigned addresses unchanged.
On the 56RioCfg configuration tool dialog box, from the Map command on
the main menu, choose Automap Any Unassigned to automatically map the
data.
IMPORTANT
If you change mappings, make sure you clear the output table in
the ControlLogix controller to prevent inadvertently writing to
an incorrect I/O location. If you leave a value behind in the
output table, it now points to something else on the Remote I/O
network. To clear the output table, set the outputs to 0.
Unmapped Data
Mapped Data
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Configure Adapter Mode Chapter 3
Manually Map Discrete Data
Manually Map Discrete(rack) Data
1. On the 56RioCfgAdpt dialog box, right-click on the rack, and choose
Rack Map Discretes - Assign Manually.
2. On the Map Rack… Manually dialog box, from the CLX Block pull-
down, select the ControlLogix scheduled block and Data Offset within
the block.
3. Click OK to accept the mapping.
TIP
On monitored racks, inputs and outputs get mapped to
ControlLogix inputs, so be careful when mapping them so that
they don’t overlap.
Item Field CLX Data Type Rack Type Description
1 MonOut ClxInput data Monitored/
Active Remote I/O scanner outputs are mapped to ControlLogix controller inputs. The 1756-
RIO module monitors output data sent by the scanner to the monitored/active rack. It
is reported in the ControlLogix controller as input data.
2 MonInp ClxInput data Monitored Remote I/O scanner inputs are mapped to ControlLogix controller inputs. The 1756-
RIO module monitors input data sent to the scanner by the monitored rack. It is
reported in the ControlLogix controller as input data.
3 ActInp ClxOutput data Active Remote I/O scanner inputs are mapped from the ControlLogix outputs. The
ControlLogix controller writes output tags to the 1756-RIO module, which sends the
data to the remote I/O scanner as input data.
1
2
3
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Chapter 3 Configure Adapter Mode
Manually Map Block-transfer Data
1. On the 56RioCfgAdpt dialog box, from the expanded rack list, right-
click on the module and choose BT Module Clx Map - Assign Manually.
2. On the Map BT Module… Manually dialog box, for the block transfer
read and write data, select the ControlLogix scheduled block and Data
Offset within the block.
3. Click OK to accept the mapping.
Block-transfer Data Map Destinations for Monitored and Active Racks
Field CLX Data Type Rack Type Description
MonBTW ClxInput Monitored Block transfer write data maps to ControlLogix controller inputs.
MonBTR ClxInput Monitored Block transfer read data maps to ControlLogix controller inputs.
ActBTR ClxOutput Active Block transfer read data maps to ControlLogix controller outputs (The ControlLogix
controller writes the data and the 1756-RIO module sends the data to the remote I/O
scanner.)
Block transfer write data maps to ControlLogix controller inputs.
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Configure Adapter Mode Chapter 3
Re-Map Command
Use the Re-Map All command to clear all previous mappings and
automatically map all discrete and block transfer data to produced/consumed
data connections.
From the Map menu, choose Re-Map All.
IMPORTANT
If you change mappings, make sure you clear the output table in
the ControlLogix controller to prevent inadvertently writing to
an incorrect I/O location. If you leave a value behind in the
output table, it now points to something else on the Remote I/O
network. To clear the output table, set the outputs to 0. You
must also re-import the aliases.
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Clear Mappings
Follow these steps to clear all mappings.
1. To clear all assigned mappings, on the 56RioCfgAdpt dialog box, from
the Map menu, choose Clear All Mappings.
2. On the Clear ALL Mappings dialog box, confirm that you want to clear
the existing mappings and click Yes.
IMPORTANT
If you change mappings, make sure you clear the output table in
the ControlLogix controller to prevent inadvertently writing to
an incorrect I/O location. If you leave a value behind in the
output table, it now points to something else on the Remote I/O
network. To clear the output table, set the outputs to 0. You
must also re-import the aliases.
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Configure Adapter Mode Chapter 3
Clear Discrete Rack Data Mappings
Follow these steps to clear mappings for discrete(rack) data.
1. On the 56RioCfgAdpt dialog box, right-click on the rack and choose
Rack Map Discretes - Clear.
2. On the Clear Rack Map dialog box, confirm that you want to clear the
existing mappings and click Yes.
IMPORTANT
All of the preceding mapping and configuration examples
currently reside only within the 56RioCfgAdpt software and
must be downloaded to the 1756-RIO module.
See Set Communication Path and Download to the Controller in
the RSLogix 5000 Project on page 30 for download steps.
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Clear Block Transfer Module Data Mappings
Follow these steps to clear the mappings for block transfer data.
1. On the 56RioCfgAdpt dialog box, from the expanded rack, right-click
on the block transfer module and choose BT Module Clx Map - Clear.
2. On the Clear BT Module Map dialog box, confirm that you want to
clear the existing mappings, and click Yes.
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Chapter
4
Link Module Configuration with RSLogix 5000
Project
Introduction
Now that the configuration, mode selection, and network preparation in the
configuration tool are complete, the next steps include downloading the
configuration to the 1756-RIO module and exporting aliases to the RSLogix
5000 project. This completes the preparation of the 1756-RIO module for
operation on a Remote I/O network.
In this chapter, you will:
•create aliases and export them to the RSLogix 5000 project.
•convert an older system to a ControlLogix system.
•download configurations to the module.
•upload configurations to the project.
•save configurations to disk.
•archive configuration templates.
Commission Summary
The following list summarizes the steps to save and export your configurations
from the configuration tool to the module, and import them to the RSLogix
5000 project, so that you can begin scanning on a Remote I/O network.
1. Export aliases in scanner and adapter mode.
2. Download configurations to the 1756-RIO module.
3. Upload configurations to the RSLogix 5000 project.
4. Save configurations to disk.
5. Archive configurations.
Topic Page
Commission Summary 83
Aliases 84
Manage Configurations 91
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Aliases
Aliases are used to access data in the ControlLogix system. They define the
names and descriptions exported from the configuration program and
imported into the RSLogix 5000 control program and should be used for
adapter and scanner modes.
Aliases are symbolic names that point to I/O data. The configuration tool
creates these aliases for discrete and block transfer data based on the I/O
mappings. It is important that you develop the control program in the
RSLogix 5000 project with reference to aliases as opposed to absolute
addresses. Then, if the mappings change, the ControlLogix controller still
operates; you just create aliases for the new mappings by exporting them from
the configuration tool and re-importing them into the control program, which
then points to the new data.
Also, it’s important to note that export options in the configuration tool differ
depending on whether you have your 1756-RIO module set for scanner or
adapter mode.
In this section, you will cover:
•exporting aliases in scanner mode.
•exporting aliases in adapter mode.
•using the Export Aliases command in the configuration tool to upgrade
an existing system to a ControlLogix system.
EXAMPLE
For example, let’s say you’re mapped rack 7 inputs to block 0,
offset 8, so the data for rack 7, I/O group 0, is at input address
I0:[10]. Now you add a rack 6 and remap everything so that now
the rack 7 input data maps to block 0, offset 20.
The data for rack 0, I/O group 0, now moves to I0:[22].
If you had used absolute addresses in your control program, you
would have to re-address every instruction in the program. By
using aliases, you can use the Export Aliases command from
the configuration tool and import them into the RSLogix 5000
project, which automatically points to the new data.
IMPORTANT
You must export the new aliases from the configuration tool
and import them into the RSLogix 5000 project before you run
the program; otherwise, you could read wrong inputs and/or
write wrong outputs.
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Export Aliases in Scanner Mode
To export aliases in scanner mode, follow these steps.
1. On the Tools menu, choose Export Alias File.
2. On the Export RSLogix 5000 Aliases dialog box, enter the FileName,
location, Alias Prefix, and Base Tag.
3. Click OK.
See Scanner Mode I/O Map on page 129 in Appendix C for more
information.
Field Description
FileName Use the browse button to change the file location.
Alias Prefix Use to distinguish between aliases for different 1756-RIO modules. If you have multiple 1756-RIO modules in the
RSLogix 5000 project, assign each module a unique Alias Prefix so that the tags for each one are unique.
Base Tag Use the base tag to identify the 1756-RIO module location on the ControlLogix chassis.
This example shows the 1756-RIO module location
in slot 0 of the local chassis.
Browse Button
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Export Aliases in Adapter Mode
To export aliases in adapter mode, follow these steps.
1. On the Tools menu, choose Export Alias File.
2. On the Export RSLogix 5000 Aliases dialog box, enter the FileName,
location, Alias Prefix, Base Tag, and RIO Output Placeholders.
3. Click OK.
For more information on the use of placeholders, see Use Monitor Mode to
Upgrade an Existing System to a ControlLogix System on page 87.
Browse
Button
Field Description
FileName Use the browse button ‘…’ to change the file location.
Alias Prefix Use to distinguish between aliases for different 1756-RIO modules and to help identify groups of data items. If
you have multiple 1756-RIO modules in the RSLogix 5000 project, assign each module a unique Alias Prefix so
that the tags for each one are unique.
Base Tag Use the base tag to identify the 1756-RIO module location in the ControlLogix chassis.
RIO Output Placeholders Use this set of aliases when the 1756-RIO module is set to Monitor mode. These output placeholders aliases
point to a ControlLogix internal array. If you are using Monitor mode, you can write your new application to
write to this placeholder array and compare the monitored outputs to the outputs written by the new control
program. If you don’t want the aliases, leave the box unchecked.
RIO Output Placeholders
Base Tag This tag must be created by the user in the ControlLogix control program and must be an integer array of 10
RioTempOut elements (0…9), each with 255 sub-elements (0…254). So, RioTempOut would be
RioTempOut[0,0] to RioTempOut[9,254].
Include BTW
Configuration Words Check this box if you choose to include aliases for block transfer write configuration data.
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Use Monitor Mode to Upgrade an Existing System to a
ControlLogix System
To upgrade an existing system, such as a PLC-5, PLC-3, or SLC system, to a
ControlLogix system, you have to perform these steps.
1. Monitor the network in adapter mode.
2. Write the new control program in RSLogix 5000 programming software
to write to the internal array.
3. Compare the existing system’s outputs with the ControlLogix outputs,
using the same live inputs.
4. Once both systems write the same outputs and have the same timing,
switch over to the RSLogix 5000 control program for control.
Now it’s writing the real outputs instead of the placeholder array, using
the 1756-RIO module to scan the network.
You could use the same 1756-RIO module to monitor and scan the network.
You would have to download the scanner firmware after you compare the
systems using the module in adapter mode to monitor the network. Or, you
could use two 1756-RIO modules; one as a scanner, and one as an adapter on
the Remote I/O network.
The following example breaks down the process. It explains using the 1756-
RIO module:
•as an adapter and its configuration in the configuration tool’s I/O tree.
•with the configuration tool to create the aliases based on the I/O
configuration tree.
•configuration tool’s process of exporting aliases to convert an existing
system to a ControlLogix system using the module in scanner mode.
Create a Network Configuration and Export Aliases
Follow these steps to create a network configuration in the configuration tool
and to create the aliases based on that configuration.
1. Set the 1756-RIO module to adapter mode.
See Launch the Configuration Tool and Select the Module Mode on
page 30.
2. Create the network configuration in the configuration tool’s tree for the
1756-RIO module in adapter mode.
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The following I/O tree configuration comprises one monitored quarter
rack and one active quarter rack.
3. Export the alias file. Once the network configuration is complete in the
configuration tool, from the Tools menu, choose Export Alias File.
The following graphic and tables show how the configuration tool
creates aliases based on the I/O configuration from the tree.
1
2
3
Item Description
1 Rack 00 is a monitored, quarter rack encompassing I/O groups 0 and 1
2 Rack 1 is an active quarter rack encompassing I/O groups 0 and 1
3 All input and output maps to connection 0, so, I0 and O0
ATTENTION
Monitored outputs include outputs to monitored racks and
outputs to active racks.
1
2
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The table shows how the prefixes are used in creating alias names, the
descriptions that are created for the aliases, and how the addresses are
created from the base tags and data mappings.
4. Write a ControlLogix control program in the RSLogix 5000 project to
write outputs to the placeholder array, then compare the outputs to the
monitored outputs from the existing system.
5. Change the 1756-RIO module to scanner mode; or use an existing 1756-
RIO scanner.
See Launch the Configuration Tool and Select the Module Mode on
page 30.
6. Export a scanner configuration and download it to the scanner.
7. Create aliases with the scanner configuration tool using the same
prefixes.
8. Import the aliases into the RSLogix 5000 project.
Item Description
1 Prefixes are left at their defaults.
2 The Base Tag field represents the location of the 1756-RIO adapter in the rack. In
this case, the adapter is in slot 0.
Alias Name Description Address
RIO_R00_STS Rack-00 Status - Monitored Local:0:I0.Data[0]
RIO_I000 Rack-00 Grp-0 Discrete Input - Monitored Local:0:I0.Data[2]
RIO_I001 Rack-00 Grp-1 Discrete Input - Monitored Local:0:I0.Data[3]
RIO_MON_O000 Rack-00 Grp-0 Discrete Output - Monitored Local:0:I0.Data[12]
RIO_MON_O001 Rack-00 Grp-1 Discrete Output - Monitored Local:0:I0.Data[13]
RIO_MON_O010 Rack-01 Grp-0 Discrete Output - Monitored Local:0:I0.Data[22]
RIO_MON_O011 Rack-01 Grp-1 Discrete Output - Monitored Local:0:I0.Data[23]
RIO_ACT_I010 Rack-01 Grp-0 Discrete Input - Active Local:0:O0.Data[2]
RIO_ACT_I011 Rack-01 Grp-1 Discrete Input - Active Local:0:O0.Data[3]
RIO_O000 Rack-00 Grp-0 Discrete Output - Place Holder RioTempOut[0, 12]
RIO_O001 Rack-00 Grp-1 Discrete Output - Place Holder RioTempOut[0, 13]
RIO_O010 Rack-01 Grp-0 Discrete Output - Place Holder RioTempOut[0, 22]
RIO_O011 Rack-01 Grp-1 Discrete Output - Place Holder RioTempOut[0, 23]
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The following table shows the aliases created for a scanner in slot 0 in the
ControlLogix chassis.
Notice that the alias names for the discrete outputs in the Export Alias
Creation table are the same as the alias names for the placeholders in the Alias
Creation for a Scanner in the ControlLogix Chassis table, but now point to I/
O outputs.
Alias Creation for a Scanner in the ControlLogix Chassis
Alias Created Description Address
RIO_R00_STS Rack-00 Status Local:0:I0.Data[0]
RIO_R00_CTL Rack-00 Control Local:0:O0:Data[0]
RIO_I000 Rack-00 Grp-0 Discrete Input Local:0:I0.Data[2]
RIO_O000 Rack-00 Grp-0 Discrete Output Local:0:O0.Data[2]
RIO_I001 Rack-00 Grp-1 Discrete Input Local:0:I0.Data[3]
RIO_O001 Rack-00 Grp-1 Discrete Output Local:0:O0.Data[3]
EXAMPLE
For example, an application that used alias name RIO_0001
wrote to placeholder location RioTempOut[0, 13], but would
now write to the discrete outputs at Local:0:O0:Data[3].
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Manage Configurations
There are several ways to manage your module’s configurations. This section
covers:
•downloading configurations to the module.
•uploading configurations to the RSLogix 5000 project.
•saving and loading configurations to disk.
•archiving configurations.
Managing configuration steps are the same for scanner and adapter modes.
Download and Upload Configurations
To download a configuration to the 1756-RIO module, follow these steps.
1. On the Configure menu, choose Download Configuration.
You must set the communication path through RSLinx to tell the
configuration tool where the 1756-RIO module is installed. The RSLinx
Path Selection dialog box now appears.
2. Expand the backplane of the chassis where the 1756-RIO module is
installed, navigate to the module, and select it.
3. Click OK.
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To upload a configuration from the 1756-RIO module to the project, follow
these steps.
1. From the Configure menu, choose Upload Configuration.
2. Set the communication path when the RSLinx dialog box appears by
navigating to the 1756-RIO module on the network, and clicking OK.
TIP
You can also set the communication path by selecting the
Communication menu and choosing Select RSLinx Path.
TIP
You can also upload/download configurations from the Module
button on the configuration tool’s toolbar.
Download to the
module.
Upload from
the module.
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Save Configurations to Disk
To save configurations to disk, from the file menu, choose Save.
The configuration saves as an .rio file to the location you initially specified
when you set the module properties in the add-on profile in the RSLogix 5000
project.
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Archive Configurations
Archive Template Command
The Archive Templates command copies any templates used in the current file
to the same location as the RIO file. It copies any block transfer module
templates used in the current configuration file into the directory where the
configuration is stored.
1. To archive configurations, from the File menu, choose Archive
Templates.
2. When the confirmation dialog box appears, click OK.
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Archive Template Check Command
The Archive Template Check command checks and confirms any block
transfer module templates used in the current configuration file are stored in
the directory where the configuration is stored.
1. To use the Archive Template Check command, from the File menu,
choose Archive Template Check.
2. When the confirmation dialog box appears, click OK.
You must make sure you save your project if you want to keep a backup copy,
otherwise, you get an error that the active project has not been saved, or the
BT Template File is not found.
See Appendix C for additional information on templates.
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Notes:
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Chapter
5
Monitor Remote I/O
Introduction
Now that the module configuration is complete and downloaded to the 1756-
RIO module, you are ready to scan a Remote I/O network.
Remote I/O scanning uses a 1756-RIO scanner in a local or remote chassis
and multiple adapters on a Remote I/O network. The scanner enables
communication between a ControlLogix controller and the remote I/O
devices. The 1756-RIO scanner continually gathers and sends information to
and from remote adapters on the Remote I/O network and sends that
information to the ControlLogix controller in the chassis.
Remote I/O monitoring uses a 1756-RIO module in adapter mode to ‘listen’
to remote I/O and communicate that I/O back to the ControlLogix
controller.
Within the configuration tool there are four utilities to monitor I/O:
•DiscMon monitors discrete input and output data
•BtMon monitors block transfers
•DiagMon monitors diagnostic counters
•LogMon monitors the scanner log
In this chapter, you will:
•use scan and monitor modes.
•monitor remote I/O discrete inputs and outputs in scanner mode.
•monitor remote I/O discrete inputs and outputs in adapter mode.
•monitor block transfers.
•export scanner configurations.
•use the diagnostic utilities in the configuration software to monitor,
save, and clear diagnostics.
Topic Page
Commission Summary 98
Scan Mode and Monitor Mode 99
Monitor Discrete Inputs and Outputs 101
Monitor Block Transfers 108
Export Scanner Configurations 115
Other Diagnostics 117
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Commission Summary
The following list summarizes 1756-RIO scanning and monitoring functions
on a Remote I/O network:
•Monitor discrete inputs and outputs in scanner mode from the Monitor
menu.
•Monitor discrete inputs and active inputs in adapter mode from the
Monitor menu.
•Monitor remote I/O in Monitor mode to ‘listen’ to, and then upgrade,
an existing older system to a ControlLogix system.
•Monitor block transfer reads and writes in scanner mode by right-
clicking on the module in the I/O tree and selecting Monitor BT
Module from the pull-down menu.
•Export scanner configuration files in adapter mode using the Tools
menu and clicking Export Scanner Configuration file File from the pull-
down menu.
•Monitor an existing system by putting the module in scanner mode and
loading an exported configuration file to scan the remote network.
•Use the Monitor menu to monitor diagnostics in scanner and adapter
modes.
•Monitor normal operation and error messages on the network by using
the Monitor menu’s Debug Log.
•Diagnose and correct fatal errors by selecting 1756-RIO Fatal Error
from the Tools menu. Capture fatal errors and save them in an error log
for use by Technical Support.
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Scan Mode and Monitor
Mode
The 1756-RIO module can perform various scan functions depending on
whether it is a scanner or an adapter.
Scan Remote I/O in Scanner Mode
There are three scan modes of the ControlLogix controller. The following list
explains each mode and what the 1756-RIO module does in each mode:
•Run mode
•Program mode
•Test mode
In run mode, the 1756-RIO module scans remote racks, reads discrete inputs,
does not enable outputs to run on, and does not update block transfers.
In program mode, the 1756-RIO module scans remote racks, reads discrete
inputs, but does not write discrete outputs, or update block transfers.
In test mode, the 1756-RIO behaves the same as it does in program mode,
with the exception of the controller actively scanning the ladder logic.
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Monitor Remote I/O in Adapter Mode
The 1756-RIO module provides utilities to upgrade an existing remote I/O
application to a ControlLogix system with a minimum of downtime and
startup time. This function is referred to as Monitor mode.
Used in Monitor mode, the 1756-RIO adapter can be used to upgrade a PLC-
5, PLC-3, or SLC system to a ControlLogix system by providing discrete
inputs and outputs, and Block Transfer read and write data, to the controller.
You can replace the existing application, or control program, that’s running on
a PLC-5, PLC-3, or SLC system with a new application that runs on a
ControlLogix controller using the 1756-RIO module as the remote I/O
scanner.
TIP
The replacement system must be tested before the switchover.
It uses the same field wiring as the old system. If unanticipated
problems arise, you can switch back to the old system in
minutes.
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To use Monitor mode to upgrade your existing system to a ControlLogix
system, follow these steps.
1. Connect the 1756-RIO module in adapter/Monitor mode on the
existing Remote I/O network to monitor data and timing.
2. Create the new application, or control program, in the RSLogix 5000
project. It sees the exact same inputs (monitored inputs) as the existing
application, but writes to an internal array in the ControlLogix
controller.
3. Compare the outputs (monitored outputs) from the new application
with the outputs from the existing system by ‘listening’ to the network.
4. When you are satisfied that the new system accurately duplicates the
function and timing of the existing system, disconnect the Remote I/O
network from the old scanner and connect it to the 1756-RIO module
in scanner mode.
5. Switch the RSLogix 5000 project application (control program) to write
outputs to the 1756-RIO module as a scanner, instead of to the internal
array.
Monitor Discrete Inputs
and Outputs
Use the Monitor Inputs and Monitor Outputs commands to display the
discrete I/O data on remote I/O racks connected to the 1756-RIO module.
If the RSLinx path to the 1756-RIO module has not been set, an RSLinx
RSWho window displays. Use it to set the communication path to the module
by navigating to the 1756-RIO module on the network, and clicking OK.
Monitor Discrete Inputs in Scanner Mode
To monitor discrete inputs in scanner mode, follow these steps.
1. From the Monitor menu, select Monitor Discrete Inputs.
2. Right-click on a rack and select Monitor Discrete.
3. Use the Monitor Discrete Inputs button on the toolbar.
ATTENTION
Be sure to switch the 1756-RIO module to scanner mode, if it is
not done.
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The DiscMon, or discrete input monitor, window displays.
Each row corresponds to a rack. Rack numbers are given in octal. Each row
shows eight words of discrete inputs for the rack number.
Main Menu Rack
Toolbar
ATTENTION
You must set the RSLinx communication path for the module to
start the DiscMon utility.
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Data can be displayed in the following formats.
Hexadecimal
You can display discrete I/O data in hexadecimal (0000…FFFF) format from
the View menu, and choosing Hex, or by clicking the Display Hex button on
the toolbar.
Signed Decimal
You can display discrete I/O data in signed decimal (-32768…32767) format
by choosing the View menu, and choosing Signed from the pull-down menu,
or by clicking the Signed button on the toolbar.
Format From menu From Toolbar
Hexadecimal View/Hex 0x button
Signed decimal View/Unsigned 1 button
Unsigned decimal View/Signed -1 button
Main Menu Toolbar
Main Menu Toolbar
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Unsigned Decimal
You can display discrete I/O data in Unsigned Decimal (0…65535) format
from the View menu, and choosing Unsigned, or by clicking the Unsigned
button on the toolbar.
Monitor Discrete Outputs in Scanner Mode
To monitor discrete outputs in scanner mode, follow these steps.
1. On the main menu of the configuration tool, from the Monitor pull-
down menu, select Monitor Discrete Outputs.
2. Right-click on a rack and select Monitor Discrete Outputs.
3. Use the Monitor Discrete Outputs button on the toolbar.
Main Menu Toolbar
Main Menu Rack
Toolbar
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The Discrete Output Monitor window displays.
Each row corresponds to a rack. Rack numbers are given in octal and each row
shows eight words of discrete outputs for the rack number.
TIP
The data formatting options, hex, signed, and unsigned, are the
same for scanner and adapter modes’ monitored inputs and
outputs.
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Monitor Discrete Inputs in Adapter Mode
Monitored inputs are inputs on monitored racks. To monitor discrete inputs in
adapter mode, from the Monitor menu, choose Discrete Monitored Inputs.
Just as in scanner mode, you can also get to the Monitored Discrete Input
Data screen by right-clicking on a rack, or clicking the Monitor Discrete Inputs
button on the toolbar.
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The Monitored Discrete Input Data window displays.
Monitor Discrete Outputs in Adapter Mode
Monitored outputs are all outputs from the remote I/O scanner. To monitor
discrete outputs in adapter mode, from the Monitor menu, select Discrete
Monitored Outputs, or right-click on a rack, or click the Monitor Discrete
Outputs button on the toolbar.
The Monitored Discrete Output Data window displays.
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Monitor Discrete Active Inputs in Adapter Mode
Active inputs are inputs on active racks. To monitor discrete active inputs in
adapter mode, from the Monitor menu, choose Discrete Active Inputs, or
right-click on a rack, or click the Monitor Active Inputs button on the toolbar.
The Active Discrete Input Data window displays.
Monitor Block Transfers
Use the Block Transfer Monitor command to display the block transfers
associated with a block transfer module, along with diagnostics associated with
the block transfers.
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Monitor Block Transfers in Scanner Mode
To monitor a block transfer module, right-click on the module in the I/O tree
and select Monitor BT Module from the pull-down menu.
The 1756-RIO BTMon, or block transfer module window, displays.
Some analog output modules have only an associated block transfer write.
Analog input modules have a block transfer write for configuring the module,
a block transfer read for data, and a block transfer read for status.
The upper portion of the screen is the block transfer read; the lower portion is
the block transfer write.
The raw data can be displayed as hexadecimal, signed, or unsigned integer. The
default format for block transfer data is hexadecimal.
ATTENTION
You must set the RSLinx communication path to start the
BTMon utility.
Block Transfer Read
Block Transfer Write
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Block Transfer Read Diagnostics
The following table lists the diagnostics for block transfer reads.
Scanner Mode Block Transfer Read Diagnostics
Counter Description
State Config/active/inactive.
Type Module type from the module template.
BTR Len Block transfer read length.
Req Update Time Requested update time in the module configuration, in ms.
Avg Update Time Average update time for this block transfer read, in ms. This is the average of the previous eight updates.
Min Update Time Minimum update time for this block transfer read, in ms.
Max Update Time Maximum update time for this block transfer read, in ms.
Update Count Running count of updates for this block transfer read.
Ignored Reqs Running count of update requests ignored by the block transfer module.
Prot Errors Running count of protocol errors for this block transfer read. If this counter is incrementing, the module isn’t
responding correctly.
Request Count Count of the number of times on successive scans this block transfer was requested. If this number is
consistently greater than 1, increase the requested update time - the module cannot respond quickly enough at
the current requested time. The counter applies to the BTR and BTW for this module.
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Block Transfer Write Diagnostics
The following table lists the diagnostics for block transfer writes.
Scanner Mode Block Transfer Write Diagnostics
Counter Description
Cfg Len Length of the configuration data for this module.
Data Len Data length.
Req Update Time Requested update time in the module configuration, in ms.
Avg Update Time Average update time for this block transfer write, in ms. This is the average of the previous eight updates.
Min Update Time Minimum update time for this block transfer write, in ms.
Max Update Time Maximum update time for this block transfer write, in ms.
Update Count Running count of updates for this block transfer write.
Ignored Reqs Running count of update requests ignored by the destination module for this block transfer write.
Protocol Errs Running count of protocol errors for this block transfer write.
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Monitor Block Transfers in Adapter Mode
To monitor a block transfer module, right-click on the module in the I/O tree
and select Monitor BT Module from the pull-down menu.
The BTMon, or block transfer module window displays.
ATTENTION
You must set the RSLinx communication path to start the
BTMon utility.
Block Transfer Read
Block Transfer Write
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Block Transfer Read Diagnostics
The following table lists the diagnostics for block transfer reads.
Adapter Mode Block Transfer Read Diagnostics
Counter Description
Type Module type
BTR Map Len Length of mapped BTR data, in words
BTR Mon Len Length of monitored BTR data, in words
Avg Update Time Average update time for this block transfer read, in ms
Min Update Time Minimum update time for this block transfer read, in ms
Max Update Time Maximum update time for this block transfer read, in ms
Update Count Running count of updates for this block transfer read
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Block Transfer Write Diagnostics
The following table lists the diagnostics for block transfer writes.
Adapter Mode Block Transfer Write Diagnostics
Counter Description
BTW Map Len The length of the mapped BTW data, in words
BTW Min Len The minimum BTW length, in words
BTW Max Len The maximum BTW length, in words
Avg Update Time Average update time for this block transfer write, in ms
Min Update Time Minimum update time for this block transfer write, in ms
Max Update Time Maximum update time for this block transfer write, in ms
Update Count Running count of updates for this block transfer write
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Export Scanner
Configurations
In adapter mode, the configuration tool can export a scanner configuration file
built from the current adapter configuration, which can be loaded into an RIO
scanner. The exported scanner configuration file is especially useful when
converting an existing remote I/O system to a ControlLogix system. You can
then choose whether the block transfer configuration data and update times
come from the values the adapter has observed on the remote network, or
from the defaults from the module templates.
The configuration file includes:
•a baud rate.
•monitored racks.
•block transfers on monitored racks.
It does not contain active racks, block transfers on active racks, or mappings.
To export a scanner configuration file follow these steps.
1. From the Tools menu, choose Export Scanner Configuration File.
2. On the Export Scanner Configuration File dialog box, select the
FileName and BT Module Configuration Data and Update Times
option for your configuration file.
Make sure you use another file name so that you don’t overwrite the
adapter configuration file.
EXAMPLE
The template for a module might have a default value for the
channel data type. The configuration seen on the network might
have another value for the channel data type.
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3. Click OK.
Monitor Mode
If you are using the 1756-RIO module in Monitor mode, you can monitor the
existing system to capture block transfer timing and configuration data, then
export a scanner configuration file that contains that data. To use the exported
configuration file, follow these steps.
1. Switch the 1756-RIO module back to scanner mode.
2. Load the exported configuration file to scan the Remote I/O network.
Field Description
FileName Name the file and select the autobrowse button to search for the directory and/or file
where you want to save the file.
The current *.rio file is for adapter mode. When you export the scanner configuration
file, you are making a new *.rio file for scanner mode. You do not want to overwrite
the adapter *.rio file, so it must be saved at this point.
BT Module Configuration Data and Update Times
Capture from Online Monitor or Use Defaults from
Templates
The configuration and timing data for block transfers can be based on the default
configuration data from the block transfer module templates, or on the configuration
data and update times the adapter has observed on the network.
This is a global selection and affects the data saved for all block transfer modules.
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Other Diagnostics
Use the Monitor Diagnostics Counters command to display the diagnostic
counters that the 1756-RIO module maintains. The 1756-RIO module
maintains diagnostic counters that indicate the state of communication on an
entire Remote I/O network, and counters related to each rack. It also
maintains an active rack list.
The diagnostic counters consist of three groups:
•Active racks table
•Global diagnostic counters
•Rack diagnostic counters
Monitor Diagnostic Counters in Scanner Mode
To monitor the diagnostic counters, follow these steps.
From the Monitor menu, choose Diagnostic Counters, or click the Monitor
Diagnostic Counters button on the toolbar.
Main Menu Toolbar
ATTENTION
You must set the RSLinx communication path for the module to
start the DiagMon utility.
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The 1756-RIO DiagMon window displays showing the Active Racks,
Global Diag Counters, and Rack Diag Counters.
Active Racks Table
The Active Racks table shows which racks are present on the Remote I/O
network. Columns represent rack numbers from 1…76 octal. Rows represent
starting I/O groups. If the bit for a rack and starting I/O group is set, there is
a rack at that location. The Active Racks table does not show rack size.
A ‘1’ indicates that a rack is present at the rack number and starting I/O group
indicated. In the example above, there is a rack present at rack 0, starting I/O
group 0.
The ‘1’ in the Active Rack table
indicates a rack present at rack 0,
starting I/O group 0.
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Global Diagnostic Counters
The global diagnostic counters provide information about the operation of the
entire Remote I/O network.
The following table lists the global diagnostic counters’ descriptions.
Scanner Mode Global Diagnostic Counters
Counter Description
Tx This counter increments each time the 1756-RIO module transmits a packet.
RxGood This counter increments when the 1756-RIO module receives a good packet.
RxTout This counter increments when the 1756-RIO module sends a packet but does not receive a reply.
RxBadCRC This counter increments when the 1756-RIO module receives a packet with a bad Cyclic Redundancy Check (CRC). Check
cabling and termination on the Remote I/O network.
RxNoise This counter increments when the 1756-RIO module hears a carrier without receiving a packet. Check cabling and
termination on the Remote I/O network.
RxAbort This counter increments when the 1756-RIO module receives an opening flag, then the packet ends without a closing
flag.
PrtclErr This counter increments when the 1756-RIO module receives a packet that makes no sense in terms of the protocol.
UpdAvg Average update time for all configured racks. This is the average of the previous 64 updates.
UpdMin Minimum update time for all configured racks.
UpdMax Maximum update time for all configured racks.
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Rack Diagnostic Counters
The rack diagnostic counters contain information about the operation of each
partial rack. The rows are racks, from 1…76 octal. There are four groups of
counters per rack, corresponding to the four possible starting I/O groups for
a rack.
The following table lists the rack diagnostic counters’ descriptions.
Monitor Diagnostic Counters in Adapter Mode
Follow this procedure to monitor diagnostic counters in adapter mode.
From the Monitor menu, choose Diagnostic Counters.
The 1756-RIO-ADPT DiagMon window displays. Notice that the Rack Status
Table and the Global Diag Counters are the same in adapter mode as scanner
mode diagnostics. The BT Global Update; however, shows the diagnostics for
the BTRs and BTWs in adapter mode.
Scanner Mode Rack Diagnostic Counters
Counter Description
Rx This counter increments when the 1756-RIO module receives a packet from this rack.
Crc This counter increments when the 1756-RIO module receives a packet with a bad CRC from this rack.
Tout This counter increments when the 1756-RIO module sends a packet to this rack and does not receive a reply within the
time-out period.
Prtcl This counter increments when the 1756-RIO module receives a packet from this rack that does not make sense in terms
of the protocol.
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The BT Global Update diagnostics table is organized by rack, I/O group
(Grp), and slot (Slt). The first row (0:) shows the BTRs first, then the BTWs
on rack 0. From left to right, BTRs at I/O group 0, slot 0; I/O group 0, slot 1;
I/O group 1, slot 0; I/O group 1, slot 1; and so on.
A lower case ‘r’ or ‘w’ indicates that a block transfer has been observed at that
location at some point in the past. An upper case ‘R’ or ‘W’ indicates when a
block transfer happens.
Module Scanner Log
Scanner Mode
The scanner log displays messages from the firmware running on the 1756-
RIO module, showing its normal operation and error messages. The Debug
Log command monitors messages logged by the 1756-RIO module. These
messages can be used to diagnose problems and may be useful in tracking
down errors and for Technical Support.
Grp 0, Slt 0
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To monitor the scanner log, follow this procedure.
1. Run the LogMon utility. To launch LogMon, from the Monitor menu,
choose Debug Log from the pull-down menu.
2. Select OK once you select the 1756-RIO module on the network.
A window displays confirming LogMon has started. If there are no
errors present, the LogMon screen stays clear.
ATTENTION
You must set the RSLinx communication path for the module to
start the LogMon utility.
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The log displays module operations, version, and mode information.
Something like below is typical, but your log will look different.
3. To clear the scanner log, from the Edit menu, choose ClearLog, or click
the Clear Log button from the toolbar.
4. To copy the contents of the log to the Windows clipboard for use in
another application, from the Edit menu, choose Copy, or click the
Select All and Copy button on the toolbar.
Main Menu Toolbar
Main Menu Toolbar
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Adapter Mode
To launch LogMon in adapter mode, follow these steps.
1. From the Monitor menu, choose Debug Log.
2. Set the RSLinx communication path when prompted and Select OK to
start LogMon.
Clear Diagnostics
To clear diagnostics, follow these steps.
1. From the Monitor menu, choose Diagnostic Counters.
Once you set the communication path via RSLinx software, the
DiagMon window displays.
2. From the Actions menu, choose Clear Diagnostics, or click the Clear
Diagnostics button on the toolbar.
TIP
These same instructions apply for scanner and adapter mode.
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3. To clear Block Transfer diagnostics, while in BTMon, from the Actions
menu, choose ClearDiagCounters, or click the ClearDiagCounters
button on the toolbar.
Fatal Errors
Fatal errors occur when the firmware on the module encounters an
unexpected condition. There are three main causes for fatal errors:
•A bug in the 1756-RIO module firmware
•A 1756-RIO module hardware failure
•Certain types of ControlLogix backplane failures
The 1756-RIO module monitors its own operation for invalid conditions. The
module stops scanning, turns all three status indicators red and displays a fatal
error number similar to ‘M#60’ on the 4-character display, and then stores a
fatal error log that indicates the cause of the fatal error.
Toolbar
Main Menu
Main Menu Toolbar
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Use the Fatal Error Capture command from the Tools menu to clear fatal
errors on the 1756-RIO module and save the log file to disk for use by
technical support.
To clear the fatal error and capture the fatal error log for scanner and adapter
modes, follow these steps.
1. Cycle power on the 1756-RIO module.
The 4-character display should show ‘FatalErrorCapture required’.
2. From the Tools menu, choose 1756-RIO Fatal Error Capture.
3. Use RSLinx software to set the communication path and select the
1756-RIO module on the network.
A Fatal Error Capture warning window displays.
4. Select Yes.
5. Save the fatal error log to a file.
IMPORTANT
Clearing a fatal error also clears the configuration on the 1756-
RIO module.
IMPORTANT
By choosing Yes, communication to the module is disrupted,
AND the module’s configuration will be erased.
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This also clears the fatal error on the module. When the Save In dialog
box opens, navigate to the location on the hard drive where you want to
save the error log file and give it a filename.
6. Contact Technical Support. See the BackCover.
7. Provide Technical Support with the fatal error log file to help them
diagnose the cause of the problem.
8. After clearing the fatal error, you must download the configuration to
the 1756-RIO module.
See Download and Upload Configurations on page 91 for instructions on how
to download configurations to the 1756-RIO module.
ATTENTION
You must clear the fatal error before you can use the module
again, and you shouldn’t use it again until you have determined
what caused the error.
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Notes:
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Appendix
A
Scanner Mode I/O Map
This section describes how the data gets mapped to the ControlLogix data for
scanner mode.
When you map any part of a rack to produced/consumed tag data, the
structure that gets mapped is for the entire rack number. For example, if rack 1
consists of I/O groups 0 and 1 (a quarter rack), the entire structure for rack 1
is mapped when you map the rack. Similarly, if a rack is made up of several
partial racks, mapping any one of those partial racks maps the structure for the
entire rack.
Discrete Input Data
In scanner mode, the discrete read structure for a rack consists of two status
words and eight words of discrete input data.
Discrete Read Structure-Input
Only bits 0…3 of the first word of status data are used. They consist of error
bits that are set if there is a communication error with a partial rack. Bit 0
corresponds to a rack that starts at I/O group 0; bit 1 corresponds to a rack
that starts at I/O group 2, and so on.
The error bit is 1 if there is an error scanning the rack, or if the rack is
inhibited; otherwise, the bit is 0.
Words 2…9 contain the discrete input data for the rack. Words 2 and 3
contain the data for I/O groups 0 and 1 (first 1/4 rack), words 3 and 4 contain
the data for I/O groups 2 and 3 (second 1/4 rack), and so on.
0 1 2 3 4 5 6 7 8 9
Status Codes and
Error Codes Discrete Input Data
1st
16-bit
Word
44817
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Appendix A Scanner Mode I/O Map
Discrete Input Data Offset - Read
Discrete Input Data Oset - Read
Oset 0
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2…9
Input Words
8 Words of Discrete Input Data
Oset 1
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Communication Error
1st 1/4 partial rack
Group 0-1/NO ERROR
Communication Error
2nd 1/4 partial rack
Group 2-3/ERROR
Communication Error
3rd 1/4 partial rack
Group 4-5
Communication Error
4th 1/4 partial rack
Group 6-7
44814
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Scanner Mode I/O Map Appendix A
Discrete Output Data
In scanner mode, the discrete write structure for a rack consists of two control
words and eight words of discrete output data.
Discrete Write Structure-Output
Bits 0…3 of the first word of control data are used to inhibit racks. Set bit 0 to
inhibit the scan of the rack starting at I/O group 0; set bit 1 to inhibit the scan
of the rack starting at I/O group 2; and so on. Inhibiting a rack stops all
communication with that rack and all outputs revert to their programmed last
state.
Bits 4…7 of the first word of control data are used to reset racks. Set bit 4 to
reset the outputs of the rack starting at I/O group 0; set bit 5 to reset the
outputs of the rack starting at I/O group 2; and so on. When a reset command
is given, all communication with that rack continues; however, that rack
behaves as if the controller is in Program mode. All outputs revert to their
Program mode state.
Only the bit for the starting I/O group needs to be set to inhibit or reset the
rack. For example, if a rack is a full rack starting at I/O group 0, only bit 0
needs to be set to inhibit the scan of the rack.
Words 2…9 contain the discrete output data for the rack. Words 2 and 3
contain the data for I/O groups 0 and 1 (first 1/4 rack), words 3 and 4 contain
the data for I/O groups 2 and 3 (second 1/4 rack), and so on.
0 1 2 3 4 5 6 7 8 9
2 Control Words Discrete Output Data
1st
16-bit
Word
44818
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Appendix A Scanner Mode I/O Map
Discrete Output Data Offset-Write
Discrete Output Data Table
Offset (Words) Bit Description
0 (Control) 0 Inhibit rack that starts first quarter (I/O group 0…1)
1 Inhibit rack that starts second quarter (I/O group 2…3)
2 Inhibit rack that starts third quarter (I/O group 4…5
3 Inhibit rack that starts fourth quarter (I/O group 6…7)
4 Reset rack that starts at first quarter (I/O group 0…1)
5 Reset rack that starts at second quarter (I/O group 2…3)
6 Reset rack that starts at third quarter (I/O group 4…5)
7 Reset rack that starts at fourth quarter (I/O group 6…7)
8…15 Reserved
1 (Control) 0…15 Reserved (pad for 32-bit alignment)
2…9 (Output) 0…15 Discrete output data
Discrete Output Data Oset - Write
Write
Oset 0
Control Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2…9
Ouput Words
8 Words of Discrete Ouptut Data
Oset 1
Control Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Inhibit Rack
1st 1/4 partial rack
Group 0-1
Inhibit Rack
2nd 1/4 partial rack
Group 2-3
Inhibit Rack
3rd 1/4 partial rack
Group 4-5
Inhibit Rack
4th 1/4 partial rack
Group 6-7
Reset Rack
1st 1/4 partial rack
Group 0-1
Reset Rack
2nd 1/4 partial rack
Group 2-3
Reset Rack
3rd 1/4 partial rack
Group 4-5
Reset Rack
4th 1/4 partial rack
Group 6-7
44819
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Scanner Mode I/O Map Appendix A
Discrete I/O Data Transfer
Discrete Read Structure - Input
0 1 2 3 4 5 6 7 8 9
Status Codes and
Error Codes Discrete Input Data
1st
16-bit
Word
I
O
IIIIIII
OOOOOOO
0 1 2 3 4 5 6 7
Group Group Group Group
1/4
Partial Rack
1/4
Partial Rack
1/4
Partial Rack
1/4
Partial Rack
Read
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2…9
Input Words
8 Words of Discrete Input Data
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Communication Error
1st 1/4 partial rack
Group 0-1/NO ERROR
Communication Error
2nd 1/4 partial rack
Group 2-3/ERROR
Communication Error
3rd 1/4 partial rack
Group 4-5
Communication Error
4th 1/4 partial rack
Group 6-7
Discrete Write Structure - Ouput
0 1 2 3 4 5 6 7 8 9
2 Control Words Discrete Output Data
1st
16-bit
Word
Write
Control Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2…9
Ouput Words
8 Words of Discrete Ouptut Data
Control Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Inhibit Rack
1st 1/4 partial rack
Group 0-1
Inhibit Rack
2nd 1/4 partial rack
Group 2-3
Inhibit Rack
3rd 1/4 partial rack
Group 4-5
Inhibit Rack
4th 1/4 partial rack
Group 6-7
Reset Rack
1st 1/4 partial rack
Group 0-1
Reset Rack
2nd 1/4 partial rack
Group 2-3
Reset Rack
3rd 1/4 partial rack
Group 4-5
Reset Rack
4th 1/4 partial rack
Group 6-7
I/O Rack
Scanner Mode
Discrete I/O Data Transfer
44820
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Appendix A Scanner Mode I/O Map
Block Transfer Input
In scanner mode, even if a module has only a block transfer write, you should
map the module to input and output data, so that the control and status data
gets mapped.
Block Transfer Read Structure-Input
Offset 0 bits 0…7 contain a free-running counter that increments each time a
block transfer read executes successfully on the RIO network. Based on
configuration of the 1756-RIO module and its RPI, it may be possible that the
controller may see this value increment by more than 1 count per program
scan.
The 1756-RIO module sets the BTR error bit, offset 0 bit 11, when an error
occurs executing a block transfer read. It clears the bit when the block transfer
read enable bit is reset in the corresponding BT control write structure.
When a block transfer read error occurs, offset 0 bits 8…10 contain
Error
Codes
.
When you execute a block transfer read in manual mode, the 1756-RIO
module sets offset 0 bit 12 to indicate that the block transfer read executed
successfully. The bit is reset when the corresponding BTR.EN bit is reset in
the BT write control file.
Offset 1 bits 0…7 contain a free-running counter that increments each time a
block transfer write executes successfully on the RIO network. Based on the
configuration of the 1756-RIO module and its RPI, it may be possible that the
controller may see this value increment by more than 1 count per program
scan.
The 1756-RIO module sets the BTW error bit, offset 1 bit 11, when an error
occurs executing a block transfer write. It clears the bit when the block transfer
write enable bit is reset in the corresponding BT control write structure.
When a block transfer write occurs, offset 1 bits 8…10 contain an error code.
When you execute a block transfer write in manual mode, the 1756-RIO
module sets offset 1 bit 12 BTW.DN to indicate that the block transfer write
executed successfully. The bit is reset when the corresponding BTW.EN bit is
reset in the BT write control file.
Word offsets 2…n contain the read data returned by the block transfer
module.
0 1 2 3 4 5 6 7 8 9
BTR Returned Read Data
1st
16-bit
Word
BTW
44821
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Block Transfer Control Read Structure
BT Read Structure Table
Offset (Words) Bit Description
0 (BT Read) 0…7 BTR update counter (increments each time BTR executes, 0…255)
8…10 BTR error code
11 BTR.ERR, block transfer read error
12 BTR.DN, block transfer read done (manual mode only)
13…15 Reserved
1 0…7 BTW update counter (increments each time BTW executes, 0…255)
8…10 BTW error code
11 BTW.ERR, block transfer write error
12 BTW.DN, block transfer write done (manual mode only)
13…15 Reserved
2…n0…15 BTR data (64 integers, max)
BT Read
Oset Word 0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Returned Read Data
Oset Words 2…n
Read Data Returned by the Block Transfer
BT Write
Oset Word 1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
BTR Error
BTR Update Counter
Block Transfer
Read Error
Read Done
Manual Mode Only
BTW Update Counter BTW Error
Block Transfer
Write Error
Write Done
Manual Mode Only
Reserved
44815
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Appendix A Scanner Mode I/O Map
Block Transfer Output
BT Write Structure-Output
Offset 0 bits 0…5 contain the block transfer read length.
Offset 0 bit 8 contains the block transfer read enable bit for manual mode
block transfers.
Offset 0 bit 9 is used in two ways:
•In manual mode, this bit is the block-transfer-read-continuous bit. If
this bit is set and the enable bit is set, the 1756-RIO module re-enables
block transfer reads when they execute successfully.
•In automatic and semi-automatic modes, this bit inhibits all block
transfers to the I/O module.
Offset 1 bits 0…5 contain the block transfer write length.
Offset 1 bit 8 contains the block transfer write enable bit for manual mode
block transfers.
Offset 1 bit 9 is the block-transfer-write-continuous bit. If this bit is set and
the enable bit is set, the 1756-RIO module re-enables block transfer writes
when they execute successfully.
Word offsets 2…n contain the write data sent to the block transfer write
module.
0 1 2 3 4 5 6 7 8 9
BTR Write Data Container for BTW Module
1st
16-bit
Word
BTW
44822
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Scanner Mode I/O Map Appendix A
Block Transfer Control Write Structure
BT Write Structure Table
Offset (Words) Bit Description
0 0…5 BTR length (1…63 word, 0 means BT module decides)
6…7 Reserved
8 BTR.EN, block transfer read enable (manual mode only)
9 BTR.CONT (manual mode only)
BT Inhibit (automatic modes - inhibits config BTW, data BTW and data BTR)
10…15 Reserved
1 0…5 BTW length (1…63 word, 0 means BT module decides)
6…7 Reserved
8 BTW.EN, block transfer write enable (manual mode only)
9 BTW.CONT, continuous mode (manual mode only)
10…15 Reserved
2…n0…15 BTW Data (64 integers, max)
BT Read
Oset Word 0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Write Data Container
for BTW Module
Oset Words 2…n
Write Data Container
BT Write
Oset Word 1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
BT Read Length
BT Write Length
BT Write Enabled
Manual Mode Only
Continuous Mode
Manual Mode Only
Reserved
Res
Res
BT Read Enabled
Manual Mode Only
Continuous Read /
BT Inhibit
44816
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Appendix A Scanner Mode I/O Map
Error Codes
Error Code Description
0OK
1 BTR/BTW request ignored by block transfer module
2 Block transfer state mismatch
3…6 Reserved, not currently used
7 Disabled
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Scanner Mode I/O Map Appendix A
Scanner Mode Block Transfer I/O
BT Read Structure - Input
0 1 2 3 4 5 6 7 8 9
BTR Returned Read Data
1st
16-bit
Word
BTW
Block Transfer Control Read Structure
BT Read
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Returned Read Data
Oset 2…n
Read Data Returned by the Block Transfer
BT Write
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
BTR Error
BTR Update Counter
Block Transfer
Read Error
Read Done
Manual Mode Only
BTW Update Counter BTW Error
Block Transfer
Write Error
Write Done
Manual Mode Only
Reserved
Block Transfer Control Write Structure
BT Read
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Write Data Container
for BTW Module
Oset 2…n
Write Data Container
BT Write
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
BT Read Length
BT Write Length
BT Write Enabled
Manual Mode Only
Continuous Mode
Manual Mode Only
Reserved
Res
Res
BT Read Enabled
Manual Mode Only
Continuous Read /
BT Inhibit
I
O
IIIIIII
OOOOOOO
0 1 2 3 4 5 6 7
Group Group Group Group
1/4
Partial Rack 1/4
Partial Rack 1/4
Partial Rack 1/4
Partial Rack
BT Write Structure - Output
0 1 2 3 4 5 6 7 8 9
BTR Write Data Container for BTW Module
1st
16-bit
Word
BTW
I/O Rack
Scanner Mode
Block Transfer I/O
44823
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Appendix A Scanner Mode I/O Map
Notes:
Publication 1756-UM534B-EN-P - November 2010 141
Appendix
B
Adapter Mode I/O Map
This section describes the remote I/O data that gets mapped to the
ControlLogix data for adapter mode.
The structures that get mapped for adapter mode are similar to those for
scanner mode, with the exception of the control bits. In adapter mode, you
have no control over when racks or block transfers update.
The I/O data can be remote I/O input or output data on monitored or active
racks.
Discrete Data
Discrete Input Data
In adapter mode, the discrete input structure for a rack consists of two status
words followed by eight words of discrete input data. When you map any part
of a rack to produced/consumed tag data, the structure that gets mapped is for
the entire rack number.
Discrete Input Monitored Racks
Inputs on monitored racks are mapped to ControlLogix inputs.
Only bits 0…3 of the first word of status data are used. They consist of error
bits that are set if there is a communication error with a partial rack. Bit 0
corresponds to a rack that starts at I/O group 0; bit 1 corresponds to a rack
that starts at I/O group 2, and so on.
The bit is set if there is an error scanning the rack and is 0 otherwise.
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Input Data
Only
First 3
Bits Used
1st
Status
Word
2nd
Status
Word
Not
Used
44838
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Appendix B Adapter Mode I/O Map
Discrete Input Data Monitored Racks
Discrete Input Data Monitored Racks
Offset (Words) Bit Description
0 (Status) 0 Communication error first quarter (I/O group 0…1)
1 Communication error second quarter (I/O group 2…3)
2 Communication error third quarter (I/O group 4…5)
3 Communication error fourth quarter (I/O group 6…7)
4…15 Reserved
1 0…15 Reserved (pad for 32-bit alignment)
2…9 0…15 Discrete input data
Oset 0
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2-9
Input Words
8 Words of Discrete Input Data
Oset 1
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Communication Error
1st 1/4 partial rack
Group 0-1
Communication Error
2nd 1/4 partial rack
Group 2-3
Communication Error
3rd 1/4 partial rack
Group 4-5
Communication Error
4th 1/4 partial rack
Group 6-7
0=Status OK 1=Error
44839
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Adapter Mode I/O Map Appendix B
Discrete Input Active Racks
There are no status bits on active racks. Inputs on active racks are mapped to
ControlLogix outputs.
Discrete Input Data Offset Active Racks - Read
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Input Data
Reserved Words
Not
Used
Not
Used
44850
Discrete Input Data Active Racks
Offset (Words) Bit Description
0 0…15 Reserved
1 0…15 Reserved
2…9 0…15 Discrete input data
Oset 0
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2-9
Input Words
8 Words of Discrete Input Data
Oset 1
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
44851
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Appendix B Adapter Mode I/O Map
Discrete Output Data on Monitored or Active Racks
In adapter mode, the discrete output structure for a rack consists of two pad
words and eight words of discrete output data. Whenever you map a rack to
ControlLogix inputs, 10 words of data get mapped for remote I/O inputs and
10 words get mapped for remote I/O outputs.
Discrete outputs on monitored and active racks are mapped to ControlLogix
inputs.
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Output Data
Reserved Words
Not Used
44852
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Adapter Mode I/O Map Appendix B
Discrete Output Data on Monitored or Active Racks
Oset 0
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2- 9
Output Words
8 Words of Discrete Output Data
Oset 1
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
44853
Discrete Output Data on Monitored or Active Racks
Offset Bit Description
0 0…15 Reserved
1 0…15 Reserved
2…9 0…15 Discrete output data
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Appendix B Adapter Mode I/O Map
Adapter Mode Discrete I/O Data Transfer-Monitored Racks
Discrete Read Structure - Input
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Input Data
1st
16-bit
Word
Read
Status Words
ControlLogix Input Tags
Read
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Input Words
8 Words of Discrete Input (Monitored Racks)
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Communication Error
1st 1/4 partial rack
Group 0-1
Communication Error
2nd 1/4 partial rack
Group 2-3
Communication Error
3rd 1/4 partial rack
Group 4-5
Communication Error
4th 1/4 partial rack
Group 6-7
0 = Status OK 1=Error
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Output Words
8 Words of Discrete Output (Monitored Racks)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
I
O
IIIIIII
OOOOOOO
0 1 2 3 4 5 6 7
Group Group Group Group
1/4
Partial Rack 1/4
Partial Rack 1/4
Partial Rack 1/4
Partial Rack
I/O Rack
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Output Data
1st
16-bit
Word
Discrete Output (Monitored Racks)
ControlLogix Input Tags
44842
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Adapter Mode I/O Map Appendix B
Adapter Mode Discrete I/O Data Transfer-Active Racks
I/O Rack
p
Oset 0
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2-9
Input Words
8 Words of Discrete Input Data
Oset 1
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
Discrete Read Structure - Input Monitored Racks
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Input Data
Reserved Words
Not
Used
Not
Used
Discrete Output
Active Racks Only
Oset 0
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2- 9
Output Words
8 Words of Discrete Output Data
Oset 1
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Output Data
Discrete Write Structure Monitored Racks - Output
Reserved Words
Not Used
I
O
IIIIIII
OOOOOOO
0 1 2 3 4 5 6 7
Group Group Group Group
1/4
Partial Rack
1/4
Partial Rack
1/4
Partial Rack
1/4
Partial Rack
ControlLogix Output Tags
ControlLogix Input Tags
44854
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Appendix B Adapter Mode I/O Map
Block Transfer Modules
This section shows the structures that get mapped to ControlLogix produced/
consumed input or output data when you map a block transfer module.
Even if a module has only block transfer read or write data, you should map
the module to produced/consumed input and output data, so that the control
and status data gets mapped.
On monitored racks, block transfer read and write data maps to ControlLogix
inputs.
On active racks, block transfer read data maps to ControlLogix output data.
Block transfer write data maps to ControlLogix input data.
Block Transfer Read Data on Monitored or Active Racks
Block transfer read data on monitored racks are mapped to ControlLogix
inputs.
Block transfer read data on active racks are mapped from ControlLogix
outputs.
Block Transfer Reads on Monitored or Active Racks
Offset Description
0 Reserved, always 0
1 Reserved, always 0
2…nUp to 64 words of BTR data
0 1 2 3 4 5 6 7 8 9...
Reserved Block Transfer Read Data Up To 64 Words
1st
16-bit
Word
44855
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Adapter Mode I/O Map Appendix B
Block Transfer Read Structure
Block Transfer Control Read Structure
Offset Bit Description
0 0…15 Reserved
1 0…15 Reserved
2…n0…15 BTR data (64 integers, max)
Oset 0
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2-n
BTR Data
BTR Data (64 integers, max)
Oset 1
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
44846
On monitored racks, this is mapped to ControlLogix inputs.
On active racks, this is mapped to ControlLogix outputs.
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Appendix B Adapter Mode I/O Map
Block Transfer Write Data on Monitored or Active Racks
The data mapped for block transfer writes consists of two status words
followed by up to 64 words of data on active or monitored racks. Block
transfer write data on active and monitored racks are mapped to ControlLogix
inputs.
Offset 0 bits 0…7 contain a free-running counter that increments each time a
block transfer read executes successfully.
The 1756-RIO module sets the BTR error bit; offset 0, bit 11, when an error
occurs executing a block transfer read. It clears the bit when the block transfer
read enable bit occurs.
When a block transfer read error occurs, offset 0, bit 8…10 contain an error
code.
The error codes are as follows.
Block Transfer Error Codes
Error Code Description
0OK
1 Time-out
0 1 2 3 4 5 6 7 8 9...
BTR Block Transfer Write Data
1st
16-bit
Word
BTW
44843
44847
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Adapter Mode I/O Map Appendix B
Block Transfer Write Structure
Block Transfer Write Structure on Monitored or Active Racks
Offset Bit Description
0 0…7 BTR update counter (increments each time BTR executes, 0…255)
8…10 BTR error code
11 BTR.ERR, block transfer read error
12…15 Reserved
1 0…7 BTW update counter (increments each time BTW executes, 0…255)
8…10 BTW error code
11 BTW.ERR, block transfer write error
12…15 Reserved
2…n0…15 BTW data (64 integers, max)
Oset Word 0
BT Read
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset Words 2-n
BTW Data
BTW Data (64 integers, max)
Oset Word 1
BT Write
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
BTR Error
BTR Update Counter
Block Transfer
Read Error
BTW Update Counter BTW Error
Block Transfer
Write Error
Reserved
Reserved
44844
Block transfer writes on active and monitored racks are
mapped to ControlLogix inputs.
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Appendix B Adapter Mode I/O Map
Adapter Mode Block Transfer I/O
Oset Word 0
BT Read
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset Words 2-n
BTW Data
BTW Data (64 integers, max)
Oset Word 1
BT Write
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
BTR Error
BTR Update Counter
Block Transfer
Read Error
BTW Update Counter BTW Error
Block Transfer
Write Error
Reserved
Reserved
I/O Rack
BT Read Structure - Input
0 1 2 3 4 5 6 7 8 9...
BTR Block Transfer Write Data
1st
16-bit
Word
BTW
BT Write Structure - Output
0 1 2 3 4 5 6 7 8 9...
Reserved Block Transfer Read Data Up To 64 Words
1st
16-bit
Word
I
O
IIIIIII
OOOOOOO
0 1 2 3 4 5 6 7
Group Group Group Group
1/4
Partial Rack 1/4
Partial Rack 1/4
Partial Rack 1/4
Partial Rack
Oset 0
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Oset 2-n
BTR Data
BTR Data (64 integers, max)
Oset 1
Reserved Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
Mapped as ControlLogix input data for active and monitored racks.
Mapped as ControlLogix input data for monitored racks.
Mapped as ControlLogix output data for active racks.
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Appendix
C
Block Transfer Module Templates
Block transfer module templates have been created and installed by the add-on
profile for these modules.
Supported Modules
Not all modules are listed. If your module is not in the list, you can use the
Generic BT_MODULE profile in the software, or create your own template
specific to your exact module or configuration. This appendix covers the
basics for creating your own module template.
The properties of block transfer modules are defined in files in the
subdirectory ’Templates’ of the directory where the 1756-RIO software is
installed. Template files have the extension BtModTpl. The BtModTpl files
can be opened with Microsoft Notepad.
Template files are simple text files that define the properties of the block
transfer module.
I/O Family Cat. No.
1746 SLC ·1746-N14
·1746-N18
·1746-N04V
·1746-NT4
1771 PLC-5 ·1771-DE ·1771-NIV
·1771-IFE-16CH (in single-ended 16
Channel configuration) ·1771-NOC-noBTR
·1771-IFE-8CH (in differential 8
Channel configuration) ·1771-NOC
·1771-IL-Alarms ·1771-NOV-noBTR
·1771-IL ·1771-NOV
·1771-IR ·1771-NR
·1771-IXE ·1771-OFE-diag
·1771-NIV-Alarms ·1771-OFE
1794 FLEX ·1794-IE4XOE2 ·1794-OE4
·1794-IE8
TIP
The best way to create a template is to use an existing
template as an example. Use one that is similar to what you
want to create, copy it to a new file, and modify it. The
following are examples of template records.
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Appendix C Block Transfer Module Templates
Block Transfer Template Records
Description
A template usually contains a description record, which consists of the
keyword Desc, followed by an equal sign and up to 79 characters of text
enclosed in quotes.
The description text displays in the configuration dialog box for any modules
created from the template.
Note
A note record, which consists of the keyword Note, followed by an equal sign
and then up to 79 characters of text enclosed in quotes, conveys information
that a user needs when creating a module from this template.
The note text displays in the configuration dialog box for any modules created
from the template.
ATTENTION
Anything after a semicolon on a line is treated as a comment
and is ignored.
EXAMPLE
Desc="1771-IFE - 8 Channel Single Ended"
Desc="1771-OFE - Binary Format, No BTR"
EXAMPLE
Note="Always set mapped output data word 0…8880
hexadecimal in the ControlLogix"
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Block Transfer Module Templates Appendix C
Block Transfer Lengths
A block transfer has three lengths associated with it.
CfgLen
The configuration length, ’CfgLen’, is the length of the additional
configuration block transfer write data sent once to the block transfer module
to initialize it.
BtwLen
The block transfer write length, ’BtwLen’, is the length of the block transfer
write sent to the module during normal data update.
BtrLen
The block transfer read length, ’BtrLen’, is the length of the block transfer read
received from the module during normal data update. Default Configuration
Data Values
The template usually contains default values for the configuration block
transfer write.
CfgData
Each value consists of the keyword ’CfgData’, an offset enclosed in square
brackets, an equal sign, and the data value.
Offset Value
The offset is an offset into the configuration block transfer write and ranges
from 0…(BtwLen+CfgLen-1).
Data Value
The data value can be expressed in decimal or hexadecimal (leading 0x, as
shown in the example above).
EXAMPLE
CfgData[ 8]=0x0fff
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Appendix C Block Transfer Module Templates
The configuration program uses the default configuration data to select the
initial values when you create a block transfer module from the template.
Parameters
Parameters let you assign values to the configuration data different from the
default values for a specific module created from a standard template.
Parameters appear in the configuration dialog for any modules created from
the template.
Parameter definitions begin with the keyword ’ParmDesc’ and end with the
keyword ’ParmEnd’.
Parameter definitions contain:
• a description to display in the module dialog.
• the location in the dialog box.
• the location in the configuration data.
• a data value.
Description
Parameter definitions begin with the keyword ’ParmDesc’, which is followed
by an equal sign and then up to 39 characters of text, to be displayed in the
dialog box.
Location in Dialog Box
The screen location in terms of row (Row=0-63) and column (Col=0-2) where
the parameter displays in the dialog box.
Location in the Configuration Data
The location of the parameter in the configuration block transfer is defined in
terms of offset, data mask, and bit shift.
The offset is the offset into the configuration block transfer, from 0…63. It is
specified by the keyword ’Ofs’, an equal sign, and the offset value.
EXAMPLE
CfgData[ 4]=0x8000 ; 0-3:DataPol, 4 6 8 10:MinScaPol, 5 7 9
11:MaxScalPol, 15:BinFmt
CfgData[ 5] ; Min Scale ch 1
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Block Transfer Module Templates Appendix C
The shift is the number of bits. The value you enter is shifted left, from 0…15.
It is specified by the keyword ’Shift’, an equal sign, and the shift value.
The mask selects bits in the value you enter. It is specified by the
keyword’Mask’, an equal sign, and the mask value, usually in hexadecimal.
The value you enter is logically ANDed with the mask, shifted left by the shift
value, and ORed into the configuration word given by the offset.
Data Value
Data values can be defined as a numerical value or from a selection list.
Numerical values are defined in terms of a format (BcdSgn, BcdUns, BinSgn,
or BinSgn), the corresponding data value, mask and shift values, and minimum
and maximum values. Selection lists can contain up to 256 selection values.
The configuration dialog for a module created from the template displays the
names of the selection values.
EXAMPLE
Ofs=8 Mask=0x00ff Shift=2
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Appendix C Block Transfer Module Templates
Parameter Examples
Example 1: Numeric Value
; Min Scale
ParmDesc="Min Scale Ch 1 :" Col=0 Row=0 Ofs=5 Mask=Oxffff
Shift=0
BinSgn MinVal=-4095 MaxVal=4095
ParmEnd
Example 2: Selection
; Channel 1
ParmDesc="Range Select Ch 1:"Col=0 Row=2 Ofs=0 Mask=0x0003
Shift=0
Select=" 1 to 5V, 4 to 20mA", 0
Select=" 0 to 5V, 0 to 20mA", 1
Select="-5 to 5V,-20 to 20mA", 2
Select="-10 to 10V, 0 to 10V", 3
ParmEnd
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Block Transfer Module Templates Appendix C
Aliases
Aliases define the names and descriptions exported from the configuration
program and imported into the RSLogix 5000 project. They begin with
keyword ’AliasInp’ or ’AliasOut’, an offset enclosed in square brackets, a name
consisting of up to 15 characters enclosed in quotes, and a description
consisting of up to 79 characters enclosed in quotes.
EXAMPLE
AliasInp[ 0]="_DAC_Ch1" ,"Raw Data Channel 1"
AliasOut[ 0]="_Ch1" ,"Data - Channel 1"
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Appendix C Block Transfer Module Templates
Notes:
Publication 1756-UM534B-EN-P - November 2010 161
Appendix
D
Troubleshooting Display and Status
Indicators
This section covers problems that may occur with your 1756-RIO module.
The following areas are covered:
• 1756-RIO module’s alphanumeric display
• RIO status indicator
• CLX status indicator
• OK status indicator
•Debug log
• Fatal errors
• Updating the firmware
Alphanumeric Display
The 4-character, alphanumeric display shows ‘RIO Scanner’, or ‘RIO Adapter’,
followed by the firmware version number, and any banner text defined in the
module configuration.
The display shows the following messages at power-up.
If the indicator on the 1756-RIO module does not cycle through these
messages on powerup, contact Technical Support.
Message Description
B#nn Stages in the start-up processes; nn is a hexadecimal number
Boot Next stage in power-up sequence
RIO Scanner v. x.xx.xx Module firmware revision
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Appendix D Troubleshooting Display and Status Indicators
Status Indicators
The 1756-RIO module has three status indicators to indicate the state of
internal operations. The status indicators are labeled RIO, CLX, and OK.
RIO Status Indicator – Remote Devices Status
The RIO indicator displays the status of the Remote I/O network connection.
Status varies depending on the mode of the module.
Scanner Mode
In order of priority, highest first.
Module Display and Indicators
Indicator Description
1 Module status display
2 RIO status indicator
3 CLX status indicator
4 OK status indicator
Indicator Status Description
RIO Red A frame-receive error has been received in the last
second (CRC error, abort, or time-out). Indicator stays
red for 1 second after the error occurs.
One or more racks are in error.
Flashing red/
off At least one rack being scanned (not inhibited) is in
error. One or more racks are inhibited.
Yellow Idle, no racks are configured.
Flashing
yellow/off All configured racks are inhibited.
Flashing green/
off No racks being scanned (not inhibited) are in error, but
one or more racks are inhibited.
Green Successful communication with all configured racks,
no inhibited racks.
RIO CLX OK
44777
ADAPTER MOD 1
234
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Troubleshooting Display and Status Indicators Appendix D
Adapter Mode
In order of priority, highest first.
CLX Status Indicator – ControlBus Status
The CLX indicator displays the status of communication with the
ControlLogix processor.
Indicator Status Description
RIO Red A frame-receive error has been received in the last second
(CRC error, abort, or time-out). Indicator stays red for 1
second after the error occurs.
Flashing red/
off One or more racks are not being scanned.
Flashing green/
off Configuration mismatch on one or more racks.
Green All racks are being scanned and there are no configuration
mismatches.
Indicator Status Description
CLX Green The module has successfully processed a request from the
ControlBus backplane within the last five seconds. All
required connections are open.
Flashing green/
off Controlling Connection is open, but not all required
connections are open.
Yellow Idle, no requests received from the backplane in the last
five seconds. No connections; empty configuration.
Flashing yellow/
off Controlling Connection is not open.
Red The module has returned a CIP error to a request from the
backplane within the last second. All required connections
are open.
Flashing red/off The module has returned a CIP error within the last second.
All required connections are not open.
164 Publication 1756-UM534B-EN-P - November 2010
Appendix D Troubleshooting Display and Status Indicators
OK Status Indicator – Module Health
The Debug Log
The firmware on the 1756-RIO module maintains a log of informational and
diagnostic messages that can be useful in determining the cause of
configuration and network problems.
To view the log, select Monitor>Debug Log, in the scanner or adapter
configuration program within the configuration tool.
Fatal Errors
Fatal errors occur when the firmware on the module encounters an
unexpected condition. The module stops running, turns all three status
indicators red, and displays the fatal error number on the 4-character display.
The module also records its state at the time the fatal error occurred in a log.
To clear the fatal error and capture the fatal error log, follow these steps.
1. Cycle power on the module. The 4-character display should show
“FaltalErrorCaputure required.”
2. From the Tools menu, choose 1756-RIO Fatal Error Capture in the
scanner or adapter configuration program.
3. Store the fatal error log to a file.
This also clears the fatal error on the module.
Contact Technical Support and provide them with the fatal error log file to
help diagnose the cause of the problem.
Indicator Status Description
OK Green Indicates that module has passed all power-up diagnostics
and is functioning normally.
Red Indicates that module startup diagnostics failed, or a major
module fault such as watchdog time-out, or jabber inhibit
occurred.
IMPORTANT
If all three status indicators are solid red and the 4-character
display shows M#xx, (where xx is the error number), a fatal
error has occurred. See
Fatal Errors
. Make a note of the error
code numbers to give Tech Support, if you must call for help.
Publication 1756-UM534B-EN-P - November 2010 165
Troubleshooting Display and Status Indicators Appendix D
Watchdog and Jabber Inhibit
A watchdog timer is implemented in the module’s hardware. If the firmware
does not kick the watchdog within the time-out period, the watchdog times
out and generates a fatal error with error code D1. In scanner mode, the
module stops scanning. In adapter mode, all racks stop communication.
A jabber inhibit timer is implemented in the module’s hardware. If the network
transmitter is on longer than 150% of the longest network frame time, the
jabber inhibit forces the transmitter off and generates a fatal error with error
code D0.
In scanner mode, the module stops scanning. In adapter mode, the module
stops communicating on the back plane and Remote I/O network.
Updating the Firmware
The module firmware updates using the scanner or adapter configuration
program. To update the firmware, in the configuration tool, from the Tools
menu, choose Set 1756-RIO Scanner/Adapter Mode. Setting the mode loads
the latest firmware onto the module.
166 Publication 1756-UM534B-EN-P - November 2010
Appendix D Troubleshooting Display and Status Indicators
Notes:
Publication 1756-UM534B-EN-P - November 2010 167
Appendix
E
Quick Start
ControlLogix System Quick
Start
Use the following steps to quickly get the module running in a ControlLogix
system. Detailed information about each step is available in other sections of
this manual or in the installation manual. You can have only one scanner per
RIO network. Remove any other scanners on the RIO network before
continuing. The RIO module ships in scanner mode. You can adjust the
instructions to fit the mode that matches your needs.
1. Install RSLinx software, version 2.54 or later, with an activation. Use
RSLinx Gateway or RSLinx Professional software. Do not use RSLinx
Lite software.
2. Install RSLogix 5000 programming software, version 17 or later, and the
associated controller firmware.
3. Install the 1756-RIO module in the 1756-ControlLogix chassis.
See publication 1756-IN610.
Install the 1756-RIO module’s add-on profile found on the installation
CD shipped with the module, or download it from
http://support.rockwellautomation.com/controlflash/LogixProfiler.asp
.
RSLinx software and RSLogix 5000 programming software must be
installed before the add-on profile.
See page 19.
4. Create a project in RSLogix 5000 programming software.
5. Add a 1756 controller to your project.
See page 23.
6. Add a 1756-RIO module to the project by right-clicking on the chassis
in the Controller Organizer and selecting New Module.
The Select Module dialog box appears.
7. Expand the Communications heading and select the 1756-RIO module.
Click OK.
See
page 24
.
8. Select the General tab on the Module Properties dialog box to set the
module properties.
168 Publication 1756-UM534B-EN-P - November 2010
Appendix E Quick Start
9. Enter the module name and slot number.
See
page 24
.
10. Click the Change button in the Module Definition section. Select your
desired mode, scanner or adapter.
The module ships in scanner mode. Note the number of input/output
tags. If this number is not the same after you map your data with the
configuration tool, you will have to return to this screen and change
them to match your configuration. You can specify independently the
number of input and output tags within the range of 1…10. Each tag
you create will create a block of 248 integers. For example, a value of 2
will create 2x248, or 498 integers.
11. When done, click OK on the Module Definition dialog box.
See page 25.
12. Select the Connection tab on the Module Properties dialog box.
13. Set the Requested Packet Interval (RPI).
See page 27.
14. Click on the Remote I/O tab, name the RIO file, and click the OK
button.
15. Choose Yes on the Create dialog box.
See
page 31
.
This will close the Module Properties dialog box. You will need to
double-click on the 1756-RIO module in the controller organizer to re-
open the Module Properties dialog box.
16. Click on the Configure Remote I/O Devices button on the Module
Properties dialog box to launch the configuration tool.
17. In the configuration tool, if needed, under the Tools menu, select Set
1756-RIO Module Scanner/Adapter Mode command to match the RIO
module functionality to match your application, Scanner or Adapter.
See
pages 33
.
18. Configure the RIO module to match your application. In scanner mode,
add the desired racks to scan, and any block transfer modules. In adapter
mode, configure the desired racks to be emulated, or monitored, and
add any block transfer modules. Map all entries, either manually, or by
using the Automap command.
See
pages 51
and
76
.
Publication 1756-UM534B-EN-P - November 2010 169
Quick Start Appendix E
19. Download the configuration to the module. From the configuration
tool’s Configure menu, choose Download Configuration. Set the
communication path when prompted.
See page
91
.
20. Save the project.
21. Go online in the RSLogix 5000 project and download the configuration
to the controller.
See page
30
.
See
Chapters 2
and
3
for in-depth information on setting module modes and
configuration.
170 Publication 1756-UM534B-EN-P - November 2010
Appendix E Quick Start
Notes:
Publication 1756-UM534B-EN-P - November 2010 171
Index
Symbols
*.rio file 116
Numerics
1756-RIO module 12
4-character display 13, 125
56RioCfgAdpt 19, 69
56RioCfgScan 19, 33, 40, 57
A
absolute addresses 84
ActBTR 78
ActInp 77
active 67
active inputs 98, 108
active rack 46, 61, 67, 108
table 117
adapter 11
configuration 115
mode 11, 15, 62, 86, 87, 98, 124, 165
program 19
add-on profile 15, 16, 19, 167
alias prefix 85
aliases 56, 76, 84, 89
analog 46, 109
data 72
archive
configurations 94
template check command 95
templates command 94
asynchronous 29
auto 64
configuration 65
configure 41, 62
map 62
mapping 53
automatic 49
automatic block transfers 50
Avg Update Time 113, 114
B
backplane 66, 125
base tag 85
baud rate 39, 63, 115
block transfer 64, 72, 136
data 11, 37
input 134
module 11, 70, 72
module type 74
monitor command 108
read 98, 109
read data 78
read-and-write-update rates 50
timing 116
update 50, 66
write 78, 109
blue 68
blue hose 14
BT global update 120
global update diagnostics table 121
MODULE 72
Module 98
-module 48
Module Parameterization 48
Mon 109
template file 95
Bt Mon 97
BT-MODULE 66
BTRLen 110
len 75
Length 73
Map Len 113
Mon Len 113
BTW
Length 73
Map Len 114
Max Len 114
Min Len 114
btw len 75
C
clear
all mappings 57, 80
block transfer module data mappings 82
diagnostics 124
Log 123
rack map 58
CLX 14
Clx Input 78
Clx Input data 77
Clx Output 78
Clx Output data 77
communication path 62, 91
configuration
tool 29, 54, 83
tree 67
configure 64
adapter mode 61-82
172 Publication 1756-UM534B-EN-P - November 2010
Index
scanner mode 37-59
connections 51
control program 87
controller organizer 16, 167
ControlLogix
controller 11
controller inputs 78
inputs 77, 141
outputs 77, 87
counter 134
Cyclic Redundancy Check 119
D
datablocks 54
offset 54, 77
debug log 98, 121
delete
partial rack 46
rack 46, 71
DiagMon 97, 117, 120
diagnostic counters 120
diagnostics 111, 114
DiscMon 97, 102
discrete 37, 46
data 11
input data 129
inputs 99
output data 131
outputs 90, 99, 107
read structure 129
write structure 131
door label 13, 14
download 44, 65, 127
DTL32.DLL 20
E
electronic keying 26
empty configuration 64
emulate 15, 61, 67
ending I/O group 68, 70
error bit 129, 134
export 51, 56, 76
aliases 84, 86
scanner configuration 97, 115
F
fatal error log 125
fatal errors 98, 125
firmware 15, 121, 125, 165
G
generic module type 67
global diagnostic counters 117
H
hardware 125
hexadecimal 103, 109
I
I/O data 76
discrete inputs 97
discrete outputs 98
module 50, 72
import 56
inhibit 131
input tags - output tags 26
inputs 37
integer 109
internal array 87, 101
J
jabber inhibit timer 165
L
ladder logic 99
LED Banner name 39, 63
lightning bolt 67, 68
link module configuration 83-95
listen 97, 101
LogMon 97, 122
M
main menu 117
manual 49
mode 50, 134, 136
manually map 53
map 62
mapping configuration 51
Max Update Time 113, 114
Min Update Time 113, 114
mode 31
module
definition 17, 168
Publication 1756-UM534B-EN-P - November 2010 173
Index
profiles setup dialog box 21
type 73
MonBTR 78
MonBTW 78
MonInp 77
monitor 112
BT module 109
diagnostics counters 117
discrete inputs 101
discrete outputs 104
inputs 106
mode 11, 15, 61, 100
outputs 101
monitored rack 46, 61, 67, 72, 115
MonOut 77
MPSetup.exe program 20
N
network
configuration 64
traffic 66
tree 43, 69
O
octal 102, 105, 118
offset 55, 134, 136
OK 14
output table 52, 57, 76, 79
outputs 15, 37
P
packet 119
partial rack 41, 67, 120, 129
PLC-5, PLC-3, or SLC 15
produced/consumed
data 11, 61, 67
data connections 79
input data 69
tag 11, 51, 129
program mode 50, 64, 99, 131
protocol 119, 120
Q
quarter rack 68, 129
R
rack
diagnostic counters 117, 120
map discretes 53
number 102
type 70
red 68
re-import 56
re-map all command 56
Remote
I/O network 117, 165
remote
chassis 97
I/O 67, 69
I/O inputs 61
I/O network 11, 37, 73, 97
I/O outputs 61
I/O scanner 73, 77, 100
I/O scanner inputs 77
network 16
requested pack interval 11, 22
resize 45, 69, 70
resize partial rack 70
RIO 14
output placeholders 86
output placeholders base tag 86
root 69
row 120
RPI 11
RSLinx
communication path 102, 109, 117, 124
Gateway 15
Professional 15
software 15, 16, 124, 167
RSLogix 5000
control program 84
programming software 15, 16, 87, 167
project 22, 24, 67, 76, 89, 101
RTB connection 13
run mode 50, 64, 65, 99
S
scanner 11
configuration file 115
log 121
mode 15, 37, 85, 99, 109, 122, 131
scanner mode I/O map 129-139
semi-automatic 49, 50
shadow 15
signed 109
signed decimal 103
slot 72, 121
number 25
starting I/O group 68, 118
174 Publication 1756-UM534B-EN-P - November 2010
Index
status data 129
status indicators 13
T
template 46, 72
termination 119
test mode 99
throughput 29
timing data 116
toolbar 92, 117, 124
tools menu 88
tree 72, 87
troubleshooting display and status
indicators 161-165
U
unassigned I/O addresses 76
unsigned 109
unsigned decimal 103, 104
update block transfers 99
Update Count 113, 114
upgrade 101
upload 92
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Publication 1756-UM534B-EN-P - November 2010 176
Supersedes Publication 1756-UM534A-EN-P - April 2009 Copyright © 2010 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.
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